AIA Document B105™–2017 is a standard short form of agreement between owner and architect. Form of Agreement Between Owner and Architect for a Residential or Small Commercial Project for several years.A bulletproof architectural contract is comprehensive, detailed, and addresses potential challenges that may arise during a project. This contract is much more in the favor of the owner and gives the architect a lot of power. Having the right AIA agreements in place is paramount in any project. Errors can cost companies millions.