Key Concepts
Service fee revenue is recorded when services are provided to a customer — whether the customer pays immediately or on credit. At the end of the financial period, service fee revenue is closed to the Income summary account:

How to Remember
A service business earns Service fee revenue — never "Sales revenue." Recognise it when the service is provided, not when the customer pays. Close at year end: Dr Service fee revenue / Cr Income summary.
Scenario: Harbour Barbers provides grooming services. The following transactions occurred in April 20X5.
1Record cash service (7 Apr 20X5)
2Record credit service (14 Apr 20X5)
3Closing entry (31 Dec 20X5)
1Using "Sales revenue" for a service business — A service business earns Service fee revenue, not Sales revenue. Using the wrong account name loses the mark.
2Recording revenue when cash is collected, not when the service is provided — Revenue is recognised on the date the service is performed, regardless of when the customer actually pays. Even if a customer pays a week after their appointment, the revenue is still recorded on the appointment date.
Shiok Paws Pet Grooming provides a grooming service on 20 March but receives payment on 1 April. On what date is service fee revenue recognised?
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20 March — when the service was provided.
True or False — A service business uses the Sales revenue account to record income from its main services.
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False. A service business uses the Service fee revenue account to record income from the services it provides.
Which account is debited in the closing entry for Service fee revenue?
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Service fee revenue (Dr Service fee revenue, Cr Income summary).