LAWS OF MARYLAND. [CH. 344

and also if he has a prior service certificate which is in full force
and effect, the amount of the service certified on his prior ser-
vice certificate.

96. Benefits

SERVICE RETIREMENT BENEFIT

(1) (a) Any member in service may retire upon written
application to the Board of Trustees setting forth at what time,
not less than thirty days nor more than ninety days subsequent
to the execution and filing thereof, he desires to be retired,
provided that the said member at the time so specified for his
retirement shall have attained the age of sixty, and notwith-
standing that, during such period of notification, he may have
separated from service.

(b) Any member in service who has attained the age of 70
shall be retired forthwith provided that with the approval of
the State Board of Education he may remain in the service until
the end of the school year following the date on which he attains
the age of 70.

ALLOWANCE FOR SERVICE RETIREMENT

(2) Upon retirement for service a member shall receive a
service retirement allowance which shall consist of:

(a) An annuity which shall be the actuarial equivalent of
his accumulated contributions at the time of retirement; and

(b) A pension in addition to his annuity which shall be
equal to 'one one-hundred and fortieth of his average final
compensation multiplied by the number of years of his service
since he last became a member; and

(e) If he has a prior service certificate in full force and
effect, an additional pension which shall be equal to one-seven-
tieth of his average final compensation multiplied by the num-
ber of years of service certified on his prior service certificate.

DISABILITY RETIREMENT BENEFIT

(3) Upon the application of a member in service or of his
State or County Superintendent of Schools, any member who
has had five or more years of creditable service may be retired
by the Board of Trustees, not less than thirty and not more than
ninety days next following the date of filing such application,
on a disability retirement allowance, provided that the Medical
Board, after a medical examination of such member, shall certify
that such member is mentally or physically incapacitated for
the further performance of duty, that such incapacity is likely
to be permanent, and that such member should be retired.