APG 223
Residential Mortgage Lending
APRA practice guide — Residential Mortgage Lending.
Issuing regulator
APRA →Topics
Source: https://www.apra.gov.au/sites/default/files/2025-07/Prudential%20practice%20guide%20APG%20223%20Residential%20Mortgage%20Lending.pdf. Rules Mate indexes + summarises; always verify against the regulator's live publication.