BSA (ASX:BSA) secured an extension to Sept. 30, 2025, for its unified field operations contract with Australian Government-owned NBN for the ongoing service and maintenance of the fixed-line infrastructure network, according to a Thursday filing with the Australian bourse.

The extension will see the company continue to deliver activation and assurance services to NBN customers for fiber and hybrid fiber coaxial network infrastructure in regions across New South Wales and Victoria, with a further extension option up to Sept. 30, 2026, at NBN's discretion, the filing said.