BAS Due Dates 2026-27: Lodging Your First BAS and What Happens If You’re Late

BAS due dates for 2026-27: 28 October 2026, 28 February 2027, 28 April 2027 and 28 July 2027 for quarterly lodgers, and the 21st of the next month for monthly.

BAS due dates for 2026-27: 28 October 2026, 28 February 2027, 28 April 2027 and 28 July 2027 for quarterly lodgers, and the 21st of the next month for monthly.