Apportionment of PRRT deductible expenditure

How to apportion a payment under the PRRT law to work out the extent that it is deductible expenditure.

Last updated 14 July 2025

Apportionment of PRRT payments

When a PRRT payment may need to be apportioned and how to choose a reasonable base of apportionment.

Apportionment practices

Practices that may help an entity apportion a petroleum resource rent tax (PRRT) payment.

Record keeping

What records you need to keep as evidence of the apportionment or substantiation of deductible PRRT expenditure.

Examples of apportionment

See examples of apportioning petroleum resource rent tax (PRRT) deductible expenditure.

QC37839