3. Procedure of invitation to tender and submission of Tenders (1) Invitation to tender 1. Issue announcement of tender. Note: Selected bidding doesn't need issuing announcement of tender 2. Prequalification 3. Draw up invitation document3. Procedure of Invitation to tender and Submission of Tenders (1) Invitation to tender • 1. Issue announcement of tender: Note: Selected bidding doesn’t need issuing announcement of tender. • 2. Prequalification • 3. Draw up invitation document