The Postal Service has notified the APWU that posting and bidding will be disrupted while management upgrades the computerized bidding system, beginning at 12:01 p.m. CST on Friday, Jan. 28. The upgrade is expected to be completed by 6 a.m. on Monday, Jan. 31. Clerks, Letter Carriers, Rural Letter Carriers and Mail Handlers will be affected.

Postings that are scheduled to close during the upgrade period will be extended until Tuesday, 11:59 p.m. CST on Feb. 1, management wrote. The extension will not affect the date of job placements.