The Legal Document Preparer Program certifies legal document preparers in Arizona who provide document preparation assistance and services. According to Arizona law, three elements must be present in order for courts to view a contract as legally binding and enforceable.This article will address some of the primary legal requirements of a real estate contract and some of the most common questions about contracts. The name of the contractor and the contractor's business address and license number. 2. A business contract is a legally binding agreement between at least two parties that relates to some aspect of business operations. Court Forms and Instructions. Completing the Forms. A contract is formed when there is: 1. In Arizona, a contract is an agreement entered into between two parties under mutually agreeable conditions. Court Forms and Instructions.