Section 39, The Public Procurement Act, 2004

(1) In procurement proceedings in which the procuringentity decides that only domestic suppliers or contractors are likely to be interested in submitting bids, the procuring entity may employ national competitive bidding procedures. (2) The procuring entity is not required to employ national competitive bidding procedures if the estimated contract amount is lower than the value threshold specified in the First Schedule. (3) The procuring entity may stipulate in the bidding documents that bidders shall quote only in the local currency and payments shall be made wholly in the local currency. (4) At least four weeks shall be allowed for submission of bids in order to allow sufficient time for the invitation to reach candidates and to enable them to prepare and submit the bids as provided in section 24.