GST codes explained

Which code to use on each line, and where it ends up.

Updated 3 November 2026 · Plain 0.110.0

Every invoice, bill and credit note line has a GST code. The code decides how much GST is charged and where the line goes on your BAS.

CodeNameUse it forWhere it's reported
GST10GST 10%Most sales and purchases in AustraliaG1 and 1A (sales); G11 and 1B (purchases)
GST_FREEGST-freeBasic food, most health and education, some exports of servicesG1 and G3 (sales); G11 (purchases)
EXPORTGST-free exportGoods exported overseasG1 and G2
INPUT_TAXEDInput taxedResidential rent, most financial supplies such as interestG1 and G4
CAPITALGST 10% capital purchaseEquipment, vehicles and other assets you buyG10 and 1B
OUT_OF_SCOPEOut of scopeWages, loans, owner drawings, fines: not on the BASNot reported