Complete and accurate identification of all parties. This page explains the reporting and other requirements that are common to all Statewide Contracts.This page also explains additional requirements. Therefore, businesses in Boston and throughout Massachusetts should always require a valid and enforceable written contract to govern their business dealings. The Katz Law Group, P.C. has more than 35 years of experience preparing contracts and agreements for small businesses throughout Massachusetts. Enter the Full Legal Name of the Contractor's business as it appears on the Contractor's Form W-9 or Form W-4 (Contract. Your operating agreement is the legal blueprint for your Massachusetts LLC. It lays out the rules, procedures, and operating structure for your LLC. While contracts can be oral, certain ones have to be in writing and signed to be enforceable under what's known as the statute of frauds. Every business sale contract must include the names of the parties involved.