N.H. Rev. Stat. Ann. § 9-C:1

State government has an obligation to put into practice, as part of its own operations, the interdependent principles of waste reduction, recycling, and recycled products purchase. State agencies shall strive to maximize the application of these principles in their normal operations. This chapter shall apply to all state agencies, as defined in RSA 9-C:2, V, whether or not they are required to make purchases through the division of procurement and support services in the department of administrative services.