City of Portland bureaus or operating units entering into formal contracts for covered services shall include the annual minimum wage and total compensation amount established by the City Office of Management and Finance in all procurement announcements and resulting contracts. Compliance with the minimum wage and total compensation requirements shall be monitored through submission of monthly certified payroll, mandatory employee notification of annual minimum wage and total compensation rates via on-site postings, designation of a bureau-based individual responsible for compliance monitoring and complaint resolution, and other measures deemed appropriate by the City. Contracts entered into by the City for covered services shall also include a non-retaliation clause protecting workers who assert wage claims based on this Chapter.