This Agreement ("Agreement") is made and entered into in San Antonio, Bexar County,. How to fill out the Custom Art Commission Contract Agreement?Every resource you find on "Making Money as an Artist" advises that you secure a contract before doing any commission work. County, however the lead artist who submits the application must reside in Bexar County. Commissioned artwork is custom art that is created specifically for the unique request of a customer. This form includes various fields necessary for completing a commission agreement. fields. 1.