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Blog / Money and GST

Counter sales of spare parts: how to bill correctly

15 Sep 2026 · 1 min read

Many workshops sell parts over the counter to mechanics and customers. Without a bill, that money and stock disappear from your records.

Always make a bill

Even for a small part. It keeps stock correct and your GST records complete.

Know your minimum price

Set a minimum selling price for each part so staff never sell below cost.

Customer details

For regular buyers (local mechanics), save their name and number. You can offer credit with a limit.

End of day

Counter sales should appear in your daily cash closing like any other bill.

Busy in the workshop? We call you.

Leave your name and mobile. We call back, usually within a few working hours, and only about SCMS.