The Katz Law Group, P.C. has more than 35 years of experience preparing contracts and agreements for small businesses throughout Massachusetts. Your operating agreement is the legal blueprint for your Massachusetts LLC.It lays out the rules, procedures, and operating structure for your LLC. INSTRUCTIONS. The following Instructions, Contractor Certifications and the applicable Commonwealth Terms and Conditions are incorporated. Discover how our experienced legal team can support your small business in Massachusetts. We provide legal assistance to small business owners in many areas including business formation, commercial leasing permitting and Licensing. Entrepreneurs in Massachusetts should have a basic understanding of business structures and other formation needs before beginning their venture. Business contracts don't have to be written in "legalese. Most of these business contracts should adhere to Massachusetts laws which govern each type of contract. Contract law is often complex and can be contentious if there is a disagreement.