Mass. Gen. Laws ch. 171 § 53
For the purposes of this section, the following terms shall have the following meanings:
"Account", a (i) share, share certificate or share draft account of a member of a credit union or a nonmember served by a credit union serving predominantly low-income members, as defined by the board of the credit union, of a type approved by the board of the credit union that evidences money or its equivalent received or held by a credit union in the usual course of business and for which it has given or is obligated to give credit to the account of such member or such nonmember; (ii) share, share certificate or share draft account of a nonmember credit union and a nonmember unit of federal, state or local government and political subdivisions thereof; or (iii) custodial account established for loans sold in whole or in part; provided, however, that for the purposes of insured state credit unions, "share, share certificate or share draft account" shall include, as determined by the board of the credit union, the equivalent of such accounts under state law.
"Local originating depository institution", any originating depository institution located in the commonwealth.
Each credit union shall disclose to account holders its policy relative to the time period between the deposit of funds by means of a check, negotiable order of withdrawal or money order and the availability of such deposit for withdrawal or use as of right.
Except as provided herein, such disclosure and relative availability requirements shall be in accordance with the provisions of the Expedited Funds Availability Act, 12 USC 4001 et seq. and regulations promulgated thereunder.
Mass. Gen. Laws ch. 171, § 53