Construction Services forms for state agencies, construction contracts, and consultant contracts. Log into agcmncontracts.Com and click Contract Forms. This page provides access to the majority of standard templates related to contracting. Interior Design Services Contract : Utilize our Interior Design Services Contract for a legally binding agreement between an interior designer and a client. I've never made a contract or been paid before, so I'm not quite sure how to draw up a contract. What should I include? To put an interagency agreement in place all you have to do is write the contract. I use a simple, two page, inhouse developed contract that includes all the required items (per California Architects Board requirements), plus a few items. This agreement stays in place for a year.