M.G.L. c. 208, § 31 custody arrangements law MGL c.208, § 31 Massachusetts divorce statute Section 31 Custody of children; shared custody plans G.L. c. 208, § 31 General Laws General Laws, Chapter 208, section 31 M.G.L. 208 s 31 different forms of custody M.G.L. c. 208 Section 31 law Section 31 of Chapter 208 of the General Laws Massachusetts divorce statute divorce statute G.L. c. 208, § 31 Massachusetts laws Section 31 of chapter 208 of the General Laws statute provides MA Child Support & Custody Statute powerful tool powerful tool M.G.L. 208 s 31 divorce statute Section 31 of chapter 208 of the General Laws powerful tool four types of custody Section 31 of Chapter 208 of the General Laws M.G.L. c. 208, § 31