(1) Any contract shall be subject to a single document written out on both
sides of the paper, to which the contract documents shall be attached.
(2) Every contract shall be published, notified, and the Notice to Proceed issued to
the contracting partner before the start of contract execution.
(3) Any claim concerning work for which the Notice to Proceed was not issued before
the start of contract execution shall be inadmissible.
(4) An initial advance payment, whose amount shall be capped at 20% for works and
supply contracts, and 30% for supply contracts, may be granted to the contractor
upon request, provided that contractor meets all the required conditions and
guarantees.
Official text
Spot-checked
In force from 12 June 2018
Source page 23