To file invoices for all DEP contracts, vendors must use the DEP Invoice Platform. Vendors will need to create an account upon initially accessing the platform.Fill Out the Questionnaire. Gov with the BID Number and title in the subject line of your e-mail. The Bronx currently has 12 BIDs, all of whom we work closely with to provide harmonious support to our local businesses and community partners. This is where DDC will post information about completed procurements that are no longer active solicitations. RFP due date: January 23, 2015.