5/1/2019 - Washington, D.C.app.ocp.dc.gov/Award_attachments/CW70871-Base...through the DC Vendor...
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5/1/2019
5/1/2019 - Washington, D.C.app.ocp.dc.gov/Award_attachments/CW70871-Base...through the DC Vendor Portal, The Contractor shall submit proper invoices on a monthly basis. To constitute