842 LAWS OF MARYLAND. [CH. 349

(22) "Actuarial equivalent" shall mean a benefit of equal
value when computed upon the basis of such mortality tables
as shall be adopted by the Board of Trustees, and regular
interest.

(23) The masculine pronoun wherever used shall include
the feminine pronoun.

47. '(Name and Date of Establishment. ) A retirement
system is hereby established and placed under the manage-
ment of the Board of Trustees for the purpose of providing
retirement allowances and other benefits under the provisions
of this sub-title for the employees of the Department of Mary-
land State Police. The retirement system so created shall be
established as of July first, nineteen hundred and forty-nine.
It shall have the powers and privileges of a corporation, and
shall be known as the "State Police Retirement System of the
State of Maryland", and by such name all of its business shall
be transacted, all of its funds invested, and all of its cash
and securities and other property held in trust for the pur-
pose for which received.

48. (Membership. ) The membership of the retirement sys-
tem shall consist of the following:

(1) Any person who shall become an employee as herein
defined after the date of establishment shall become a mem-
ber of the retirement system as a condition of employment,
and shall not be entitled to receive any pension or retirement
allowance from any other pension or retirement system sup-
ported wholly or in part by the State of Maryland, anything
to the contrary notwithstanding.

(2) Any person who is an employee on the date of establish-
ment, except any person for whom special provision is made
under Sub-section (3) of this section, shall become a member
as of that date.

(3) Any person who is an employee on the date of estab-
lishment and who is on that dat^ and has been since June 1,
1935, a member of the State Police Pension Fund shall be-
come a member as of the date of establishment unless within
a period of thirty days next following such employee shall
file with the Board of Trustees, on a form prescribed by the
Board, a notice of his election not to be covered in the mem-
bership in the retirement system and a duly executed waiver
of all present and prospective benefits which would other-
wise inure to him on account of his participation in the
retirement system.