Before accepting a sales role with commission, clarify what earns commission, how it is calculated, when it is paid and which conditions can change it. Ask for the applicable terms in writing and compare the guaranteed component separately from variable earnings.
For Singapore employment, MOM states that how and when commission is paid depends on the employment contract or existing policies or practices. A headline earnings figure does not explain your particular arrangement. Use these questions to understand the offer; unresolved contractual disputes require advice based on the actual terms.
1. What is guaranteed and what is variable?
Ask the employer to separate basic salary, allowances and commission in the offer. Clarify whether any quoted total is guaranteed, an illustration or dependent on meeting a target. Do not compare a variable illustration with another employer’s fixed salary as if they were equivalent.
Useful wording: “Could you show the fixed monthly component and explain which parts depend on results?” If a temporary guarantee or draw is mentioned, ask how it works and what happens when the initial period ends. Do not assume terminology is used consistently.
2. Which event makes a sale eligible?
Find out whether commission depends on an order being signed, delivered, invoiced, paid or another defined event. Ask how incomplete transactions are treated. The answer affects when an apparently successful sale becomes eligible under the plan.
Request a simple example using fictional figures. A rule based on collected payment can produce a different result from one based on signed contracts. Avoid relying on a verbal statement such as “you get a percentage of sales” without knowing what sales means in that arrangement.
3. How is the calculation applied?
Clarify the rate, base amount, thresholds, tiers and any exclusions. Ask whether a higher tier applies to all eligible sales or only the portion above a threshold. Check whether discounts, taxes or other items affect the calculation.
You are not asking for a promise of earnings; you are asking for a reproducible calculation. Use the same fictional transaction in each explanation so differences are visible. If the written plan and worked example disagree, resolve the discrepancy before treating either as reliable.
4. When is commission calculated and paid?
Ask about the calculation period, payment schedule and how pending items are reported. Clarify who to contact if a transaction appears missing. A sale completed near a cut-off may be handled differently depending on the plan’s terms.
Keep the distinction between eligibility and payment timing clear. An amount may be under review even after the underlying activity occurred. MOM’s paying salary guidance includes its statement on commission arrangements; check your actual contract and policy rather than assuming one universal schedule.
5. What happens to cancellations and shared accounts?
Ask how returns, cancellations, unpaid transactions and jointly managed accounts affect commission. Clarify who receives credit when more than one person contributes and how disputes over ownership are resolved.
Do not assume that every adjustment is permitted or that every plan uses the same rules. Request the applicable written terms and an example. If an amount can later be adjusted, understand the trigger and review process. Avoid accepting an unexplained “the system decides” as a complete description of the arrangement.
6. What changes when targets or employment circumstances change?
Ask how target changes are communicated and which version of the plan applies to work already in progress. Clarify the treatment of pending commission if you change role or leave. These points should be answered from the applicable terms, not an informal guess.
If the employer cannot answer during the interview, request follow-up from the responsible person. Do not infer a legal entitlement from a colleague’s experience elsewhere. Keep the written explanation with the offer so you can compare it with the final documents.
7. What evidence will I receive to check the amount?
Ask whether you can see a calculation statement identifying eligible transactions, rates, adjustments and the relevant period. Confirm the channel and timeframe for raising a discrepancy under the employer’s process.
A clear record helps both sides discuss a specific issue. You should be able to ask why a transaction was excluded without reconstructing the whole plan from memory. Do not request other employees’ personal pay information; use your own proposed terms and fictional examples during offer discussions.
A fictional comparison exercise
Suppose two offers quote the same illustrative total earnings but different fixed components and eligibility rules. Put the fixed amount, commission trigger, calculation, payment timing and adjustment conditions in separate columns. Leave unknown fields blank and ask for clarification. Do not fill them with optimistic assumptions or treat the illustration as guaranteed income.
Before accepting
Read the offer and referenced commission policy together. Confirm the relevant version, resolve contradictory examples and keep copies. If a term has a significant financial effect and remains unclear, seek appropriate independent advice before relying on it.
Is advertised on-target earnings guaranteed?
Do not assume so. Ask what the figure means in that offer and which conditions apply.
Can I negotiate without knowing likely commission?
You can discuss the fixed component and request a clear explanation of the variable plan. Avoid presenting unverified earnings as your expected salary baseline.
For wording in the salary discussion, see how to explain expected salary.


