If, after publication of an invitation to participate in any case of intended procurement, but before the time set for opening or receipt of tenders as specified in the notices or the tender documentation, it becomes necessary to amend or re-issue the notice, the amendment or the re-issued notice shall be given the same circulation as the original documents upon which the amendment is based. Any significant information given to one supplier with respect to a particular intended procurement shall be given simultaneously to all other suppliers concerned in adequate time to permit the suppliers to consider such information and to respond to it.
