Central – Bid Bulletin Jul 4, 2018 | Central- Bid Bulletine PB 2018-14: SUPPLEMENTAL/BID BULLETIN NO. 1 (03 July 2018) Amendments to the Bidding Documents: Public Bidding of Quarterly CY 2018 Gen. Ofc. Supp. Req’t for the OMB (04 July 2018) – due date : 11 July 2018 download file