Massachusetts Law About Subpoenas
Massachusetts Rules
MRCP 45: Subpoenas
Trial Court Rule IX: Uniform Rules on Subpoenas to Court Officials
Forms
Service Providers
While Rule 45 provides that service can be made by "any person who is not a party and is not less than 18 years of age," service can also be made by a Deputy Sheriff or Constable.
Other Web Sources
Your Guide to Subpoenas-What they are, How they can help you, and How to serve them, Mass. Legal Services. A simple guide for those who want to serve a subpoena, includes directions and forms.
Deposition and Discovery Request for Use in Another State
Massachusetts Laws
MGL c. 223A, s. 11 Discovery within commonwealth for proceedings outside commonwealth
MGL c. 233, s. 45 Deposition for use in another state
Print Sources
Massachusetts Practice v. 49 (Discovery), 2nd ed., Thomson/West, 2008 with supplement. Section 8:7: Taking depositions in Massachusetts in out-of-state cases; Sections 8:70-8:72: Application for order, Affidavit in support of application for order, and Order for taking deposition in Commonwealth for proceeding in tribunal outside Commonwealth.