Massachusetts General Laws Chapter 30B (Updated November 2016)

This law establishes three sets of procedures for awarding supply and service contracts. The specific procedures you use will depend on the actual dollar value of the contract over the entire contract term, including the period covered by any options to renew or extend the contract.  The following summarizes the three types of contract under 30B:

  1. Supplies or Services Estimated to Cost Under $10,000: Use sound business practices. The term sound business practices is defined as “ensuring the receipt of a favorable price by periodically soliciting price lists or quotes.” While the law does not require a formal competitive process, it does require local jurisdictions to ensure that they have received quality supplies and services at a reasonable price.
  2. Supplies or Services Estimated to Cost at least $10,000 but not more than $50,000: Seek written quotes from at least three vendors based on a written purchase description and award the contract to the responsible vendor offering the supply or service for the best price. See Chapter 3 for more information on procuring supplies or services using quotes and the recordkeeping requirements under Chapter 30B.
  3. Supplies or Services Estimated to Cost More than $50,000: Conduct a formal, advertised competition by issuing an invitation for bids (IFB) or a request for proposals (RFP). In a bid process, you award the contract to the qualified bidder who meets your specifications and offers you the best price.  In a proposal process, you award the contract to the offeror submitting the most advantageous proposal, taking into consideration your specified evaluation criteria as well as price. See Chapters 4 and 5 for more information on soliciting bids and proposals.

For more details, please see the Chapter 30B Manual:  


Sample RFPS

Peabody RFP for Facade & Design Guidelines Manual

Salem RFP for Preparation of Nomination to be placed on National Register of Historic Places


Sample RFQs

new north andover fire station


North Andover RFQ for Architect Renovation of Fire station

North Andover RFQ for Engineering Design Services


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Invitations for Bids 

Invitations for Bids are the documents utilized for the soliciting of bids, including documents attached or incorporated by reference. For more information visit:

City of Cambridge Water Works Materials

City of Haverhill Backup Emergency Diesel Generator



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