Section 57, The Public Procurement Act, 2016

(1) Where the bidding documents require the supplier orcontractor whose bid has been accepted to sign a written procurement contract conforming to the bid, the procuring entity and the supplier shall sign the procurement contract within 30 days after the notice referred to in subsection (2) of section 56 has been dispatched to the supplier or contractor. (2) Where a written procurement contract is required to be signed, the procurement contract shall enter into force when the contract is signed by the supplier or contractor and by the procuring entity. 52 53 Acceptance of bid and signature of Nondisclosure of bid evaluation details. Prohibition of negotia-tion. Award of (3) Except as provided in subsection (2) of section 56, a procurement contract in accordance with the terms and conditions of the accepted bid shall enter into force when the notice is dispatched to the supplier or contractor that submitted the bid while the bid is in force. (4) Contracts shall be signed by the head of a procuring entity, but he may delegate signature of small contracts to the head of procurement unit or other senior official of the entity. (5) Any contracts entered into between a procuring entity and a successful bidder shall be valid only if it contains an express provision allowing cancellation of the contract by the Panel if the panel finds a contravention of any provision of this Act or any regulation, document or process relating to the procurement.