The PTA now posts its early tender advice and advertised tenders - including tender documents and attachments available for download - on the Tenders WA website.

Tenders WA is the central source of information on Western Australian public sector tenders and awarded contracts.
 
Go to the Tenders WA website

Purchase Orders: General Conditions of Contract

Where there is no existing contract or common use arrangement, PTA purchase orders reference the relevant PTA General Conditions of Contracts. 

The PTA General Conditions of Contract are provided below: