20 Sample Letters of Appointment in Acting Capacity - Lettersoo (2025)

Are you a manager who needs to appoint someone to an acting role?

Or perhaps you’re an employee who has been asked to step into an interim position.

Either way, a well-crafted appointment letter is essential to clearly define the expectations, responsibilities, and terms of the acting assignment.

In this article, we provide 20 sample letters of appointment for various acting roles across different industries.

Use these templates as a starting point, and customize them to fit your specific situation.

By the end, you’ll have the tools and confidence to create effective acting appointment letters that set everyone up for success.

Sample Letters of Appointment in Acting Capacity

The following letters serve as examples of how to structure and word an appointment letter for an acting role:

Acting Department Manager

Subject: Appointment as Acting Department Manager

Dear [Employee Name],

Effective [start date], you are appointed as Acting Department Manager for the [department name] department. This appointment will remain in effect until [end date] or until a permanent replacement is hired, whichever comes first.

During your time in this acting role, you will assume all duties and responsibilities of the Department Manager position, including:

  • Overseeing day-to-day operations of the department
  • Managing departmental staff and conducting performance reviews
  • Developing and implementing strategies to improve efficiency and productivity
  • Preparing and managing the department budget
  • Reporting to senior management on departmental performance

Your salary will be temporarily increased by [percentage or amount] for the duration of this acting appointment. All other terms and conditions of your employment remain unchanged.

Please sign below to acknowledge your acceptance of this acting appointment. Thank you for your willingness to step into this important role. If you have any questions, please don’t hesitate to reach out.

Sincerely,

[Your Name]

[Your Title]

Interim Director of Marketing

Subject: Appointment as Interim Director of Marketing

Dear [Employee Name],

I am pleased to appoint you as Interim Director of Marketing, effective [start date]. This appointment will remain in place until [end date] or until a permanent Director is hired.

In this acting capacity, you will be responsible for:

  • Leading the marketing team and overseeing all marketing initiatives
  • Developing and executing marketing strategies to drive brand awareness and sales
  • Managing the marketing budget and allocating resources effectively
  • Collaborating with cross-functional teams to align marketing efforts with overall business objectives
  • Reporting on marketing performance to the executive team

During your tenure as Interim Director, you will receive a temporary salary increase of [percentage or amount]. Your regular salary and benefits will resume once a permanent Director is in place and you return to your previous role.

Please confirm your acceptance of this interim appointment by signing below. We appreciate your leadership and dedication during this transition period.

Best regards,

[Your Name]

[Your Title]

Acting Sales Manager

Subject: Appointment as Acting Sales Manager

Dear [Employee Name],

Congratulations! You have been selected to serve as Acting Sales Manager from [start date] until [end date]. In this role, you will fill in for [previous manager’s name] while they are on leave.

Your primary duties will include:

  • Managing the sales team and providing coaching and support
  • Monitoring sales performance and taking action to ensure targets are met
  • Conducting sales meetings and training sessions
  • Liaising with clients and prospects to maintain relationships and drive new business
  • Preparing sales reports and forecasts for upper management

You will receive a temporary pay increase of [percentage or amount] for the duration of this acting role. You will resume your regular position and salary once [previous manager’s name] returns.

Please sign below to confirm your acceptance of this appointment. We fully believe you can lead the sales team during this time. Don’t hesitate to reach out if you need any support.

Best wishes,

[Your Name]

[Your Title]

Interim Operations Supervisor

Subject: Appointment as Interim Operations Supervisor

Dear [Employee Name],

Effective immediately, you will be appointed as interim operations supervisor while we search for a permanent replacement. This appointment will last until [end date] or until the position is filled.

In this acting capacity, you will be responsible for:

  • Overseeing daily operations and ensuring the smooth functioning of the department
  • Coordinating with other departments to meet operational goals
  • Managing staff schedules, assignments, and performance
  • Implementing process improvements to boost efficiency and reduce costs
  • Providing regular updates to management on operational performance

During your time as Interim Supervisor, you will receive a temporary salary increase of [percentage or amount]. All other aspects of your employment will remain the same.

Please sign below to accept this interim appointment. We appreciate your willingness to step up and take on this leadership role. Let us know if you have any questions or concerns.

Regards,

[Your Name]

[Your Title]

Acting Customer Service Lead

Subject: Appointment as Acting Customer Service Lead

Dear [Employee Name],

I am pleased to appoint you as Acting Customer Service Lead, effective [start date]. This appointment will remain in place for [number of weeks/months] while [previous lead’s name] is on leave.

In this role, you will be responsible for:

  • Managing the day-to-day operations of the customer service team
  • Ensuring high levels of customer satisfaction by addressing issues promptly and effectively
  • Coaching and mentoring team members to improve performance
  • Analyzing customer feedback and identifying areas for improvement
  • Reporting on key customer service metrics to management

For the duration of this acting appointment, your salary will be increased by [percentage or amount]. Once [previous lead’s name] returns, you will resume your previous position and salary.

To accept this appointment, please sign below. We have full confidence in your ability to lead the customer service team during this time. Please let me know if you have any questions.

Sincerely,

[Your Name]

[Your Title]

Interim Human Resources Manager

Subject: Appointment as Interim Human Resources Manager

Dear [Employee Name],

Effective [start date], you are appointed as Interim Human Resources Manager. This appointment will remain in effect until a permanent HR Manager is hired or until [end date], whichever comes first.

In this acting role, you will be responsible for:

  • Overseeing all HR functions, including recruitment, onboarding, performance management, and employee relations
  • Ensuring compliance with labor laws and company policies
  • Managing employee benefits and compensation programs
  • Providing guidance and support to managers and employees on HR matters
  • Developing and implementing HR initiatives to support organizational goals

For the duration of this interim appointment, you will receive a temporary salary increase of [percentage or amount]. All other terms and conditions of your employment remain the same.

Please sign below to acknowledge your acceptance of this acting appointment. We appreciate your willingness to step into this crucial role and have full confidence in your abilities. Please reach out if you have any questions or concerns.

Best regards,

[Your Name]

[Your Title]

Acting Production Supervisor

Subject: Appointment as Acting Production Supervisor

Dear [Employee Name],

I am pleased to inform you that you have been selected to serve as Acting Production Supervisor from [start date] to [end date]. During this time, you will fill in for [previous supervisor’s name] while they are on leave.

As Acting Production Supervisor, your key responsibilities will include:

  • Overseeing daily production operations and ensuring targets are met
  • Coordinating with other departments to ensure smooth workflow and timely delivery
  • Managing production staff, including scheduling, training, and performance management
  • Implementing process improvements to increase efficiency and quality
  • Ensuring compliance with safety regulations and quality standards

You will receive a temporary pay increase of [percentage or amount] for the duration of this acting role. Once [previous supervisor’s name] returns, you will resume your regular position and salary.

Please sign below to confirm your acceptance of this appointment. We have full confidence in your ability to lead the production team during this time. Don’t hesitate to reach out if you need any support.

Sincerely,

[Your Name]

[Your Title]

Interim Finance Manager

Subject: Appointment as Interim Finance Manager

Dear [Employee Name],

Effective [start date], you are appointed as Interim Finance Manager while we search for a permanent replacement. This appointment will last until [end date] or until the position is filled, whichever comes first.

In this acting capacity, you will be responsible for:

  • Overseeing all financial operations, including accounting, budgeting, and reporting
  • Managing the finance team and ensuring accurate and timely financial reporting
  • Collaborating with other departments to develop and monitor budgets
  • Identifying and implementing cost-saving measures
  • Ensuring compliance with financial regulations and company policies

During your time as Interim Finance Manager, you will receive a temporary salary increase of [percentage or amount]. All other aspects of your employment will remain the same.

Please sign below to accept this interim appointment. We appreciate your willingness to take on this leadership role and have full confidence in your abilities. Let us know if you have any questions or concerns.

Best wishes,

[Your Name]

[Your Title]

Acting Project Manager

Subject: Appointment as Acting Project Manager

Dear [Employee Name],

I am pleased to appoint you as Acting Project Manager for the [project name] project, effective [start date]. This appointment will remain in place until [end date] or until the project is completed, whichever comes first.

In this role, you will be responsible for:

  • Leading the project team and ensuring the project is delivered on time, within budget, and to the required quality standards
  • Developing and maintaining project plans, schedules, and budgets
  • Coordinating with stakeholders and cross-functional teams to ensure project alignment
  • Identifying and mitigating project risks and issues
  • Providing regular project updates to senior management

For the duration of this acting appointment, your salary will be increased by [percentage or amount]. Once the project is completed or a permanent Project Manager is appointed, you will resume your previous position and salary.

To accept this appointment, please sign below. We have full confidence in your ability to lead this critical project. Please let me know if you have any questions or require any support.

Sincerely,

[Your Name]

[Your Title]

Interim Facility Manager

Subject: Appointment as Interim Facility Manager

Dear [Employee Name],

Effective immediately, you are appointed as Interim Facility Manager while we search for a permanent replacement. This appointment will last until [end date] or until the position is filled.

In this acting capacity, you will be responsible for:

  • Overseeing all facility operations, including maintenance, repairs, and upgrades
  • Managing facility staff and contractors to ensure smooth operation and maintenance of the facility
  • Developing and managing the facility budget
  • Ensuring compliance with health, safety, and environmental regulations
  • Implementing initiatives to improve facility efficiency and sustainability

During your time as Interim Facility Manager, you will receive a temporary salary increase of [percentage or amount]. All other aspects of your employment will remain the same.

Please sign below to accept this interim appointment. We appreciate your willingness to step up and take on this important role. Let us know if you have any questions or concerns.

Regards,

[Your Name]

[Your Title]

Acting Supply Chain Manager

Subject: Appointment as Acting Supply Chain Manager

Dear [Employee Name],

I am pleased to inform you that you have been selected to serve as Acting Supply Chain Manager from [start date] to [end date]. During this time, you will fill in for [previous manager’s name] while they are on leave.

As Acting Supply Chain Manager, your key responsibilities will include:

  • Overseeing all supply chain operations, including procurement, inventory management, and logistics
  • Managing supply chain staff and ensuring efficient and effective operations
  • Collaborating with other departments to forecast demand and ensure adequate supply
  • Identifying and implementing strategies to optimize the supply chain and reduce costs
  • Monitoring and reporting on key supply chain metrics

You will receive a temporary pay increase of [percentage or amount] for the duration of this acting role. Once [previous manager’s name] returns, you will resume your regular position and salary.

Please sign below to confirm your acceptance of this appointment. We have full confidence in your ability to lead the supply chain team during this time. Don’t hesitate to reach out if you need any support.

Sincerely,

[Your Name]

[Your Title]

Interim IT Manager

Subject: Appointment as Interim IT Manager

Dear [Employee Name],

Effective [start date], you are appointed as Interim IT Manager while we search for a permanent replacement. This appointment will last until [end date] or until the position is filled, whichever comes first.

In this acting capacity, you will be responsible for:

  • Overseeing all IT operations, including network infrastructure, systems, and applications
  • Managing the IT team and ensuring the smooth functioning of all IT services
  • Developing and implementing IT strategies to support business objectives
  • Ensuring data security and compliance with IT policies and regulations
  • Managing the IT budget and identifying opportunities for cost savings

During your time as Interim IT Manager, you will receive a temporary salary increase of [percentage or amount]. All other aspects of your employment will remain the same.

Please sign below to accept this interim appointment. We appreciate your willingness to take on this leadership role and have full confidence in your abilities. Let us know if you have any questions or concerns.

Best wishes,

[Your Name]

[Your Title]

Acting Quality Assurance Manager

Subject: Appointment as Acting Quality Assurance Manager

Dear [Employee Name],

I am pleased to appoint you as Acting Quality Assurance Manager, effective [start date]. This appointment will remain in place until [end date] or until a permanent Quality Assurance Manager is hired.

In this role, you will be responsible for:

  • Overseeing all quality assurance activities to ensure products and services meet required standards
  • Developing and implementing quality control processes and procedures
  • Managing the quality assurance team and ensuring effective execution of quality control activities
  • Collaborating with other departments to identify and address quality issues
  • Ensuring compliance with quality standards and regulations

For the duration of this acting appointment, your salary will be increased by [percentage or amount]. Once a permanent Quality Assurance Manager is in place, you will resume your previous position and salary.

To accept this appointment, please sign below. We have full confidence in your ability to lead the quality assurance team during this time. Please let me know if you have any questions or require any support.

Sincerely,

[Your Name]

[Your Title]

Interim Purchasing Manager

Subject: Appointment as Interim Purchasing Manager

Dear [Employee Name],

Effective immediately, you are appointed as Interim Purchasing Manager while we search for a permanent replacement. This appointment will last until [end date] or until the position is filled.

In this acting capacity, you will be responsible for:

  • Overseeing all purchasing activities, including sourcing, negotiating, and ordering
  • Managing the purchasing team and ensuring efficient and cost-effective procurement processes
  • Developing and implementing purchasing strategies to reduce costs and improve supplier relationships
  • Collaborating with other departments to forecast demand and ensure adequate supply of materials and services
  • Ensuring compliance with purchasing policies and regulations

During your time as Interim Purchasing Manager, you will receive a temporary salary increase of [percentage or amount]. All other aspects of your employment will remain the same.

Please sign below to accept this interim appointment. We appreciate your willingness to step up and take on this important role. Let us know if you have any questions or concerns.

Regards,

[Your Name]

[Your Title]

Acting Research and Development Manager

Subject: Appointment as Acting Research and Development Manager

Dear [Employee Name],

I am pleased to inform you that you have been selected to serve as Acting Research and Development Manager from [start date] to [end date]. During this time, you will fill in for [previous manager’s name] while they are on leave.

As Acting Research and Development Manager, your key responsibilities will include:

  • Overseeing all research and development activities, including new product development and innovation
  • Managing the R&D team and ensuring effective execution of research and development projects
  • Collaborating with other departments to align R&D efforts with business objectives
  • Identifying and pursuing new research and development opportunities
  • Managing the R&D budget and resources

You will receive a temporary pay increase of [percentage or amount] for the duration of this acting role. Once [previous manager’s name] returns, you will resume your regular position and salary.

Please sign below to confirm your acceptance of this appointment. We have full confidence in your ability to lead the research and development team during this time. Don’t hesitate to reach out if you need any support.

Sincerely,

[Your Name]

[Your Title]

Interim Public Relations Manager

Subject: Appointment as Interim Public Relations Manager

Dear [Employee Name],

Effective [start date], you are appointed as Interim Public Relations Manager while we search for a permanent replacement. This appointment will last until [end date] or until the position is filled, whichever comes first.

In this acting capacity, you will be responsible for:

  • Overseeing all public relations activities, including media relations, press releases, and event management
  • Managing the PR team and ensuring effective execution of public relations strategies
  • Developing and implementing PR campaigns to promote the company’s brand and reputation
  • Monitoring media coverage and managing the company’s response to any issues or crises
  • Collaborating with other departments to ensure consistent messaging and branding

During your time as Interim Public Relations Manager, you will receive a temporary salary increase of [percentage or amount]. All other aspects of your employment will remain the same.

Please sign below to accept this interim appointment. We appreciate your willingness to take on this leadership role and have full confidence in your ability to guide our public relations efforts during this transition period. Your experience and expertise will be invaluable in maintaining our company’s positive image and strong media relationships.

We will provide you with all the necessary support and resources to succeed in this acting role. If you have any questions or require assistance, please don’t hesitate to reach out to me or any member of the leadership team.

Once again, thank you for stepping up to fill this critical position. We look forward to working with you in your capacity as Interim Public Relations Manager.

Sincerely,

[Your Name]

[Your Title]

Acceptance of Appointment:

I, [Employee Name], accept the position of Interim Public Relations Manager with the understanding of the responsibilities, compensation, and duration outlined above.

Signature: ____________________

Date: ____________________

Acting Training and Development Manager

Subject: Appointment as Acting Training and Development Manager

Dear [Employee Name],

I am pleased to appoint you as Acting Training and Development Manager, effective [start date]. This appointment will remain in place until [end date] or until a permanent Training and Development Manager is hired.

In this role, you will be responsible for:

  • Overseeing all training and development activities, including needs assessment, program design, and delivery
  • Managing the training and development team and ensuring effective execution of training programs
  • Collaborating with other departments to identify training needs and develop targeted programs
  • Evaluating the effectiveness of training programs and making improvements as needed
  • Managing the training and development budget and resources

For the duration of this acting appointment, your salary will be increased by [percentage or amount]. Once a permanent Training and Development Manager is in place, you will resume your previous position and salary.

To accept this appointment, please sign below. We have full confidence in your ability to lead the training and development team during this time. Please let me know if you have any questions or require any support.

Sincerely,

[Your Name]

[Your Title]

Interim Logistics Manager

Subject: Appointment as Interim Logistics Manager

Dear [Employee Name],

Effective immediately, you are appointed as Interim Logistics Manager while we search for a permanent replacement. This appointment will last until [end date] or until the position is filled.

In this acting capacity, you will be responsible for:

  • Overseeing all logistics operations, including transportation, warehousing, and inventory management
  • Managing the logistics team and ensuring efficient and cost-effective logistics processes
  • Developing and implementing logistics strategies to improve supply chain performance
  • Collaborating with other departments to forecast demand and ensure timely delivery of products
  • Ensuring compliance with logistics policies, regulations, and safety standards

During your time as Interim Logistics Manager, you will receive a temporary salary increase of [percentage or amount]. All other aspects of your employment will remain the same.

Please sign below to accept this interim appointment. We appreciate your willingness to step up and take on this important role. Let us know if you have any questions or concerns.

Regards,

[Your Name]

[Your Title]

Acting Environmental Health and Safety Manager

Subject: Appointment as Acting Environmental Health and Safety Manager

Dear [Employee Name],

I am pleased to inform you that you have been selected to serve as Acting Environmental Health and Safety Manager from [start date] to [end date]. During this time, you will fill in for [previous manager’s name] while they are on leave.

As Acting Environmental Health and Safety Manager, your key responsibilities will include:

  • Overseeing all environmental health and safety programs and activities
  • Ensuring compliance with all applicable environmental, health, and safety regulations
  • Conducting safety training and inspections to identify and mitigate risks
  • Investigating accidents and incidents and implementing corrective actions
  • Managing the EHS budget and resources

You will receive a temporary pay increase of [percentage or amount] for the duration of this acting role. Once [previous manager’s name] returns, you will resume your regular position and salary.

Please sign below to confirm your acceptance of this appointment. We have full confidence in your ability to lead the environmental health and safety team during this time. Don’t hesitate to reach out if you need any support.

Sincerely,

[Your Name]

[Your Title]

Interim Community Relations Manager

Subject: Appointment as Interim Community Relations Manager

Dear [Employee Name],

Effective [start date], you are appointed as Interim Community Relations Manager while we search for a permanent replacement. This appointment will last until [end date] or until the position is filled, whichever comes first.

In this acting capacity, you will be responsible for:

  • Overseeing all community relations activities, including community outreach, partnerships, and events
  • Managing the community relations team and ensuring the effective execution of community engagement strategies
  • Developing and implementing initiatives to strengthen the company’s relationship with the local community
  • Collaborating with other departments to align community relations efforts with business objectives
  • Managing the community relations budget and resources

During your time as Interim Community Relations Manager, you will receive a temporary salary increase of [percentage or amount]. All other aspects of your employment will remain the same.

Please sign below to accept this interim appointment. We appreciate your willingness to take on this leadership role and have full confidence in your abilities. Let us know if you have any questions or concerns.

Best wishes,

[Your Name]

[Your Title]

Wrapping Up Sample Appointment Letters

These 20 sample letters provide a comprehensive set of templates for appointing employees to various acting roles across different departments and industries.

Remember to customize each letter to fit your specific situation, clearly outlining the responsibilities, expectations, compensation, and duration of the appointment.

By providing a well-crafted appointment letter, you ensure that the acting employee has a clear understanding of their role and that all parties are aligned on the terms of the arrangement.

This sets the stage for a successful interim assignment and a smooth transition during times of change.

As you create your acting appointment letters, focus on clarity, specificity, and a supportive tone.

Recognize the employee’s willingness to step up and express your confidence in their ability to succeed in the acting role.

With these templates and tips, you have the tools to create effective acting appointment letters that promote stability, continuity, and productivity within your organization, even during periods of transition.

20 Sample Letters of Appointment in Acting Capacity - Lettersoo (2025)
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