Salary Increment Letter (Singapore)
[Letter Date]
[Employee Name]
[Job Title], [Department]
RE: SALARY INCREMENT
Dear [Employee Name],
We are pleased to inform you that [Employer Name] has approved an increment to your basic monthly salary, effective [Effective Date].
[Increment Reason]
Current basic monthly salary: [Current Salary]
New basic monthly salary: [New Salary]
Increment: [Increment Amount]
Effective date: [Effective Date]
[Additional Comments]
Other changes: [Other Benefit Changes]
Please note that CPF contributions will be calculated on your new salary from [Effective Date] in accordance with the CPF Act. All other terms and conditions of your employment contract remain unchanged.
We appreciate your commitment and look forward to your continued contributions to [Employer Name].
Yours sincerely,
[Authorised Signatory]
[Employer Name]
Employer (Authorised Signatory)
________________
Signature
Employee (Acknowledgement)
________________
Signature
What Is a Salary Increment Letter (Singapore)?
A Singapore Salary Increment Letter is a formal employment document issued under the Employment Act 1968 (Cap. 91) — Singapore's principal labour legislation administered by the Ministry of Manpower (MOM) — by which an employer notifies an employee of an increase in basic monthly salary, fixed allowances, or other components of the remuneration package. The letter constitutes a written variation of the employment contract's remuneration terms and, once accepted by the employee, forms a binding amendment to the original contract of service under Singapore's common law of contract.
The Employment (Key Employment Terms) Regulations 2016 require employers to provide written notification of any changes to Key Employment Terms (KETs) — including basic salary and fixed allowances — to the employee within the timeframe prescribed by MOM. The Ministry of Manpower's published guidance on KETs compliance confirms that a salary revision must be documented in writing, specifying the new basic salary, any changes to allowances, the effective date, and any consequential changes to CPF contributions, overtime rates, or leave encashment calculations.
The Central Provident Fund Act (Cap. 36) — administered by the CPF Board — directly affects salary increments because employer and employee CPF contributions are calculated as a percentage of the employee's ordinary wages (subject to the ordinary wage ceiling of S$6,800 per month and the annual additional wage ceiling). A salary increment that increases the employee's monthly wages above the ordinary wage ceiling changes the CPF contribution computation, and the employer's payroll system must reflect the new CPF amounts from the effective date of the increment.
The Inland Revenue Authority of Singapore (IRAS) requires employers to report the revised salary in the employee's annual IR8A form (Return of Employee's Remuneration). For employees on the Auto-Inclusion Scheme (AIS), the employer's payroll system must be updated to reflect the new salary from the effective date, and the cumulative employment income for the year of assessment must include the pre-increment and post-increment salary amounts.
Singapore's National Wages Council (NWC) — a tripartite body comprising representatives from the government, the Singapore National Employers Federation (SNEF), and the National Trades Union Congress (NTUC) — issues annual wage guidelines recommending salary adjustments for different categories of workers. The NWC guidelines are not legally binding but are widely followed by Singapore employers and influence wage-setting decisions across the economy.
For employees covered by Part IV of the Employment Act (non-managers and non-executives earning S$2,600 or less in basic monthly salary), a salary increment may change the employee's eligibility for Part IV protections — including overtime pay at 1.5 times the hourly basic rate under Section 38(1), maximum overtime hours of 72 per month, and rest day pay provisions. Employers must reassess Part IV coverage whenever an employee's basic salary changes. Under Singapore law, Section 169 of the Companies Act 1967 (Cap. 50) and Section 4 of the Stamp Duties Act (Cap. 312) govern the core requirements for this type of document.
When Do You Need a Salary Increment Letter (Singapore)?
A Salary Increment Letter is needed whenever an employer in Singapore increases an employee's remuneration and requires written documentation of the revised terms under the Employment (Key Employment Terms) Regulations 2016 and MOM's compliance framework.
Annual salary reviews are the most common trigger. Singapore employers typically conduct annual performance appraisals between January and March, with salary increments effective from April or the company's financial year start. The NWC annual wage guidelines recommend that employers grant built-in wage increases (permanent additions to basic salary), variable bonuses (linked to company and individual performance), and special adjustments for low-wage workers. A Salary Increment Letter documents the built-in component of any wage increase.
Promotions accompanied by salary increases require a Salary Increment Letter documenting both the new job title and the revised salary. Where the promotion moves an employee from a Part IV-covered role to a managerial or executive position with basic salary above S$2,600, the letter should note that Part IV overtime and rest day protections no longer apply.
Mid-year salary adjustments — for retention, market competitiveness, expanded job scope, or successful completion of probation — require written documentation. MOM inspectors conducting workplace inspections may request evidence that salary changes were communicated to employees in writing within the prescribed timeframe.
Employers implementing NWC-recommended wage increases for lower-wage workers — including the Progressive Wage Model (PWM) mandatory wage floors for cleaning, security, and landscape maintenance sectors under the Employment Act (Amendment) Order — must issue Salary Increment Letters to affected employees. PWM wages are legally mandated minimum wages for specific sectors and occupations, administered by MOM, and employers who fail to pay the prescribed PWM wages face penalties under the Employment Act.
Employers adjusting salaries to comply with MOM's Employment Pass (EP) minimum salary thresholds — S$5,000 for most sectors, S$5,500 for financial services (as of September 2023), increasing with age — must document the salary change for EP renewal applications. MOM reviews the employment contract and salary documentation when processing EP renewals, and discrepancies between the documented salary and actual salary paid can result in EP cancellation. Under Singapore law, the Employment Act 1968 (Cap. 91) and the Employment (Key Employment Terms) Regulations 2016 govern the core requirements for this type of document.
What to Include in Your Salary Increment Letter (Singapore)
A Singapore Salary Increment Letter compliant with the Employment Act 1968 (Cap. 91), the Employment (Key Employment Terms) Regulations 2016, and CPF Act (Cap. 36) requirements must include the following elements. The forms-legal.com Salary Increment Letter template covers all MOM-mandated KET change notification requirements and CPF adjustment provisions.
Employer identification requires the company's full registered name, UEN as registered with ACRA, registered address, and the name and designation of the authorised signatory (typically the HR director, CEO, or department head).
Employee identification requires the employee's full name, NRIC or FIN number, current job title, department, and date of commencement of employment with the company.
Current salary details must state the employee's existing basic monthly salary and any fixed allowances (transport, housing, meal allowance) that form part of the gross rate of pay under Section 2 of the Employment Act. Stating the current figures establishes the baseline against which the increment is calculated.
New salary details must specify the revised basic monthly salary and any changes to fixed allowances, effective from the stated date. The increment amount (in SGD) and percentage increase should be clearly stated. Where the increment includes both a basic salary increase and a new or revised allowance, each component should be itemised separately.
Effective date must state the exact date from which the new salary takes effect. Payroll systems must be updated to reflect the new salary from this date, and CPF contributions must be computed on the revised salary from the effective month.
CPF contribution adjustment must note that employer and employee CPF contributions will be recalculated based on the revised salary at the prevailing rates published by the CPF Board. Where the new salary exceeds or approaches the ordinary wage ceiling of S$6,800, the letter should note the ceiling's effect on CPF computations. Employees approaching age thresholds where CPF rates change (55, 60, 65, 70) should be advised of the applicable graduated rates.
Overtime rate adjustment applies to Part IV-covered employees whose revised basic salary remains at or below S$2,600 (for non-workmen) or S$4,500 (for workmen). The new overtime rate — calculated at 1.5 times the hourly basic rate under Section 38(1) of the Employment Act — must be computed based on the revised salary.
Reason for increment should briefly state the basis: annual performance review, promotion, market adjustment, PWM compliance, probation confirmation, or retention. While not a statutory requirement, documenting the reason supports MOM compliance and provides a clear record for audit purposes.
Conditions or expectations may be included, such as continued performance standards, completion of a probation extension, or participation in training programmes funded by SkillsFuture Singapore.
Acknowledgment section provides space for the employee to sign and date the letter, confirming receipt and acceptance of the revised terms. The signed copy should be filed in the employee's personnel record and a copy provided to the employee, consistent with MOM's record-keeping requirements under the Employment Act. Under Singapore law, the Employment Act 1968 (Cap. 91) and the Central Provident Fund Act (Cap. 36) govern the core requirements for this type of document.
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Reference this free template in an article, syllabus, or research note:
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year = {2026},
howpublished = {\url{https://forms-legal.com/singapore/employment/letters/salary-increment-letter-singapore}},
note = {Free legal document template. Based on Employment Act 1968 (Cap. 91)}
}Also available for these jurisdictions:
Frequently Asked Questions
The Employment Act 1968 (Cap. 91) does not expressly require a standalone salary increment letter. However, the Employment (Key Employment Terms) Regulations 2016 require employers to notify employees in writing of any changes to their Key Employment Terms (KETs), which include basic salary and fixed allowances. The Ministry of Manpower (MOM) has confirmed in published guidance that any change to an employee's remuneration must be documented in writing and provided to the employee.
A salary increment letter satisfies the KET change notification requirement and serves as evidence of the contractual variation. Without written documentation, an employer may face difficulties proving the agreed salary in a dispute before the Employment Claims Tribunals (ECT) or during a MOM workplace inspection.
Additionally, the Central Provident Fund Board requires employers to maintain accurate payroll records reflecting current salary details for CPF contribution purposes. A salary increment letter provides the documentary basis for updating payroll records and CPF computations.
Best practice in Singapore — endorsed by the Singapore National Employers Federation (SNEF) and the National Trades Union Congress (NTUC) — is to issue a formal salary increment letter for every salary change, signed by both employer and employee, with copies retained in the personnel file for at least two years after the employee's cessation of employment (as required by the Employment Act's record-keeping provisions).
A salary increment directly affects CPF contributions because employer and employee CPF contribution rates are applied to the employee's ordinary wages (basic salary plus fixed allowances) up to the ordinary wage ceiling of S$6,800 per month (as of 2024). Any increase in basic salary or fixed allowances changes the CPF contribution amount from the effective date of the increment.
For employees below 55 years of age, the standard CPF rates are 17% employer contribution and 20% employee contribution on ordinary wages. A salary increase from S$5,000 to S$5,500 per month increases the monthly employer CPF contribution from S$850 to S$935 and the employee's contribution from S$1,000 to S$1,100.
If the revised salary exceeds the ordinary wage ceiling of S$6,800, CPF contributions on ordinary wages are capped at the ceiling amount. Any excess is not subject to ordinary wage CPF contributions but may affect the additional wage ceiling computation for bonuses and AWS payments later in the year.
Employers must update their payroll systems to reflect the new CPF computations from the month in which the salary increment takes effect. CPF contributions on the revised salary must be paid to the CPF Board by the 14th of the following month. Late contributions attract interest at 1.5% per month under the CPF Act (Cap. 36), and persistent non-payment is a criminal offence.
Once a salary increment has been communicated and accepted by the employee, the revised salary becomes a binding contractual term under Singapore's common law of contract. An employer cannot unilaterally reduce the salary below the agreed increment without the employee's consent.
Unilateral salary reduction constitutes a breach of the employment contract. The employee can treat the reduction as a repudiatory breach and claim constructive dismissal — resignation in response to a fundamental breach of contract by the employer. The Employment Claims Tribunals (ECT) can award compensation for wrongful dismissal under Section 14(2) of the Employment Act 1968 (Cap. 91), and MOM may investigate the employer for Employment Act violations.
If business conditions require a salary reduction — for example, during an economic downturn — the employer must negotiate the reduction with the employee and obtain written consent. The MOM's Tripartite Advisory on Managing Excess Manpower and Responsible Retrenchment recommends that employers explore alternatives before reducing wages: implementing a shorter work week, temporary layoffs with no-pay leave (with employee consent), redeployment to alternative roles, or seeking government support through the Jobs Support Scheme or similar programmes.
For unionised employees covered by a collective agreement registered with the Industrial Arbitration Court under the Industrial Relations Act (Cap. 136), salary reductions must be negotiated through the union and reflected in a revised collective agreement.
Singapore law does not require employers to state the reason for a salary increment in the increment letter. The Employment (Key Employment Terms) Regulations 2016 mandate written notification of KET changes — including the new salary amount and effective date — but do not require disclosure of the rationale.
However, documenting the reason for the increment is recommended as best practice for several practical and legal reasons. First, the stated reason creates a contemporaneous record that supports the employer's position in any subsequent dispute — for example, if an employee claims discrimination under the Tripartite Guidelines on Fair Employment Practices (administered by the Tripartite Alliance for Fair and Progressive Employment Practices, TAFEP). An employer who can demonstrate that salary increments were based on performance, market benchmarking, or role expansion has a stronger defence against discrimination allegations.
Second, the Progressive Wage Model (PWM) requires employers in designated sectors to increase wages when employees acquire higher-level skills and move to higher PWM wage rungs. Documenting the PWM-related reason for the increment helps demonstrate compliance during MOM inspections.
Third, for employees on Employment Pass whose salary increment is intended to satisfy MOM's minimum salary threshold for EP renewal, documenting this purpose maintains alignment between the increment letter and the EP application submission. Discrepancies between documented salary and MOM records can trigger queries during the EP renewal process.
Employers must report salary increments to the Inland Revenue Authority of Singapore (IRAS) through the annual employee income reporting process using the IR8A form (Return of Employee's Remuneration) or the Auto-Inclusion Scheme (AIS) electronic submission.
The IR8A form requires employers to report the total gross employment income for the calendar year (1 January to 31 December), including the pre-increment salary for months before the effective date and the post-increment salary for months from the effective date onwards. The form does not require a separate line item for the increment amount — only the total annual employment income.
For employers on the AIS — mandatory for employers with five or more employees — the annual electronic filing to IRAS must be submitted by 1 March of the following year. The employer's payroll system must correctly compute the year-to-date employment income, taking into account the effective date of the salary increment.
Mid-year salary increments affecting foreign employees who depart Singapore require the employer to file Form IR21 (Notification of Cessation) at least one month before the employee's last day or departure. Form IR21 must reflect the total employment income including the post-increment salary for the period served at the higher rate. The employer must withhold all monies due to the foreign employee until IRAS issues a tax clearance letter under Section 68(2) of the Income Tax Act (Cap. 134).
This template is provided for informational purposes only and does not constitute legal advice. Laws vary by jurisdiction and change over time. Consult a qualified attorney for advice specific to your situation.Full disclaimer
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