Chapter 61 is a Massachusetts tax program that allows owners of working farms, forests, and recreation land to pay reduced property taxes in exchange for keeping the land undeveloped for a specified period.

This publication provides good information about how the Chapter 61 program works:

• Chapter 61 Programs: Understanding the Massachusetts Ch. 61 Current Use Tax Programs by MA DCR & UMass Extension

For owners of woodlands and forests, the Commonwealth of Massachusetts provides the following resources on its website:

State Forestry Laws, Forms , and Instructions
Timber Harvesting License Program 
Forest Stewardship Program
Working Forest Initiative
Service Forestry (Technical assistance and services to landowners and municipalities)