590 LAWS OF MARYLAND. [CH. 377

further performance of duty, that such incapacity is likely to
be permanent, and that such member should be retired. No
beneficiary entitled to an accidental disability retirement
allowance shall receive any allowance on account of ordinary
disability.

ALLOWANCE ON ACCIDENTAL DISABILITY RETIREMENT.

'(6) Upon retirement for accidental disability a member
shall receive a service retirement allowance if he has attained
the age of 65; otherwise he shall receive an accidental dis-
ability retirement allowance which shall consist of:

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

(b) A pension of sixty-six and two-thirds per centum of
Ms average final compensation, but in no event shall his
total accidental disability retirement allowance exceed his
average final compensation.

HE-EXAMINATION OF BENEFICIARIES RETIRED ON ACCOUNT

OF DISABILITY.

'(7) Once each year during the first five years following the
retirement of a member on a disability retirement allowance,
and once in every three-year period thereafter, the Board of
Trustees may, and upon his application shall, require any dis-
ability beneficiary who has not yet attained the age of 65 to
undergo a medical examination, such examination to be made
at the place of residence of such beneficiary or other place
mutually agreed upon, by a physician or physicians designated
by the Board of Trustees. Should any disability beneficiary
who has not yet attained the age of 65 refuse to submit to such
medical examination, his allowance may be discontinued until
Ids withdrawal of such refusal, and should his refusal continue
for one year, all his rights in and to his pension may be re-
voked by the Board of Trustees:

(a) Should the Medical Board report and certify to the
Board of Trustees that any disability beneficiary is engaged
in or is able to engage in a gainful occupation paying more
than the difference between his retirement allowance and his
average final compensation and should the Board of Trustees
concur in such report, then the amount of his pension shall
be reduced to an amount which, together with his annuity
and the amount earnable by him, shall equal the amount of
his average final compensation. Should his earning capacity
be later changed, the amount of his pension may be further
modified, provided that the new pension shall not exceed the
amount of the pension originally granted nor an amount
which, when added to the amount earnable by the beneficiary