Specifications include, but are not limited to: Enter into a standard contract for Professional Service Specialized Agreement or a Professional Service Architectural &. Engineering Agreement with the City or Agency as described in Section A. Sample Agreement. Provide a City of Oakland Business Tax License: The contractors/firm, including any and all team members and subcontractors selected for this project shall obtain or provide proof of having a current City of Oakland Business License. - Provide Insurance: The contractor shall provide the following proof of insurance but not limited to General Liability, Automobile, Worker's Compensation and Professional Liability, Commercial General Liability insurance, Automobile Liability