Section 21. Advertising and Contents of the Invitation to Bid. —

In line with the principle of transparency and competitiveness, all Invitations to Bid for contracts under competitive bidding shall be advertised by the Procuring Entity in such manner and for such length of time as may be necessary under the circumstances, in order to ensure the widest possible dissemination thereof, such as, but not limited to, posting in the Procuring Entity's premises, in newspapers of general circulation, the G-EPS and the website of the Procuring Entity, if available. The details and mechanics of implementation shall be provided in the IRR to be promulgated under this Act.

The Invitation to Bid shall contain, among others:

1. A brief description of the subject matter of the Procurement;

2. A general statement on the criteria to be used by the Procuring Entity for the eligibility check, the short listing of prospective bidders, in the case of the Procurement of Consulting Services, the examination and evaluation of Bids, and post-qualification;

3. The date, time and place of the deadline for the submission and receipt of the eligibility requirements, the pre-bid conference if any, the submission and receipt of bids, and the opening of bids;

4. The Approved Budget for the Contract to be bid;

5. The source of funds;

6. The period of availability of the Bidding Documents, and the place where these may be secured;

7. The contract duration; and,

8. Such other necessary information deemed relevant by the Procuring Entity.