ALLEGANY COUNTY. 215

the salary of every teacher who shall have been engaged longer than twenty
years in said public schools. And the clerk or the assistant secretary of the
Board of School Commissioners shall prepare monthly, except during
August and September, a roll of assessments and place opposite the name'
of each and every teacher liable thereto one-tenth of the amount of the
annual assessment payable by him or her, and shall furnish forthwith a
copy of such roll to the Treasurer of Schools of Allegany County, and the
said Treasurer of Schools of Allegany County shall deduct and retain out
of the monthly salary due to such teacher the amount of such monthly as-
sessment, and the sum of such monthly assessments shall be immediately
paid by the Treasurer of Schools of Allegany County to the said Board of
Trustees, providing that no deductions be made before September, 1912.

Second. Sums received from the County Commissioners, as follows:
In case the Board of Trustees shall deem it expedient to have an additional
sum to defray its expenses, to pay the salaries provided for herein or to
add to the Teachers' Retirement Fund, the said Board of Trustees shall
each year in due time prepare a full and detailed statement of the assets,
of said Teachers' Retirement Fund, and the additional sum which is re-
quired to defray said expenses, to pay said salaries or to add to the Teach-
ers' Retirement Fund, and send the same to the County Commissioners as.
other estimates are sent to it in connection with the annual ordinance levy,
and the Board of County Commissioners is hereby authorized, empowered
and required to insert such an appropriation in said levy for said purposes
as it may deem proper, and when said appropriation has been received the
same shall be paid over to the Board of Trustees, and the unexpended bal-
ance remaining at the end of each fiscal year shall be added to the perma-
nent fund in accordance with Section 598 of this Article.

Third. All money, property of any kind or securities that may come
into the hands of said board of trustees for the purpose of said Teachers'
Retirement Fund by gift, grant, devise, bequest or otherwise.

1912, ch. 463, sec. 8.

593. The Board of School Commissioners may retire from regular duty
upon its motion and shall retire from regular duty upon his or her own
motion, in either case the approval of the board of trustees to be first
obtained, any teacher who has been such for a period of forty years at the
time such application is made, and the teacher so retired, provided he or
she shall be entitled to the advantages of this Act under Sections 590 or
591 hereof, shall receive for life the salary provided by Section 600.
Every teacher who is such at the time of the passage of this Act, for the
purpose of retirement under this section or the next succeeding section,
after service of twenty years as a member of the teaching force of Alle-
gany County, shall be entitled to full credit for his or her years of service
as a public school teacher elsewhere.