Section 25: Invitation to Bid.

(1) Invitations to bid may be either by way of National Competitive Bidding or International Competitive Bidding and the Bureau shall from time to time set the monetary thresholds for which procurements shall fall under either system.
(2) Every invitation to an open competitive bid shall:
(i) in the case of goods and works under International Competitive Bidding, the invitation for bids shall be advertised in at least two national newspapers and one relevant internationally recognised publication, any official websites of the procuring entity and the Bureau as well as the procurement journal not less than six weeks before the deadline for submission of the bids for the goods and works,
(ii) in the case of goods and works valued under National Competitive Bidding, the invitation for bids shall be advertised on the notice board of the procuring entity, any official web sites of the procuring entity, at least two national newspapers, and in the procurement journal not less than six weeks before the deadline for submission of the bids for the goods and works.