This easy-to-use and cost-effective web-based solution gives you access to over 90 of the most popular AIA Contract Documents, including Subcontractor forms. The ARCHITECT shall update the Construction Cost for the Project.NEGOTIATING THE OWNER-ARCHITECT AGREEMENT. 22nd Annual Construction Law Conference. An architect agreement is a legal document that outlines the obligations and rights of the parties involved, typically in a development project. This Agreement for On-Going Architectural Services ("Agreement") is entered into this ___ day of ______,. Architect: The Architect identified in the first paragraph of this Agreement, including all Consultants to the. Architect. References to the "Criteria Architect" in the Contract Documents shall mean the Criteria Architect or the Criteria Architect's authorized representative. Clearly state the names and addresses of both the architect and the client. This establishes who is involved in the agreement.