J. MILLARD TAWES, Governor                       125

more City, one from Southern Maryland, one from the Eastern
Shore, [and] one from the area including Allegany, Washington,
Garrett, Frederick and Montgomery Counties and one from the area
including Carroll, Baltimore and Harford Counties, [the Western
Shore of Maryland,] whose duty it shall be to faithfully and impar-
tially execute, or cause to be executed, all the provisions and require-
ments of this subdivision of this article; upon application and at
such place or places in this State as they may determine, provided
at least once in each year the examination shall be held in Baltimore
City, they shall examine each and every person who shall desire to
work at the plumbing business, touching his competency and quali-
fications; and, upon being satisfied that the person so examined is
competent and qualified to work at said business, they, or any three
of them, shall grant to such a person a certificate of competency and
register him in their books as a practical plumber, which shall
operate as full authority to him to work at, conduct and engage in
the said plumbing business for the period for which such certificate
shall be granted, and such certificate may be called or designated by
said Board a "master plumber's certificate."

Sec. 2. And be it further enacted, That this Act shall take effect
June 1, 1965.

Approved March 11, 1965.

CHAPTER 122
(Senate Bill 346)

AN ACT to repeal and re-enact, with amendments, Section 72 of
Article 81 of the Annotated Code of Maryland (1957 Edition),
title "Revenue and Taxes", sub-title "Tax Sales", sub-heading
"In General", to require the collector of taxes in St. Mary's Coun-
ty, in the event that taxes are in arrears for a period of one year,
to immediately advertise and sell real property subject to such
taxes and to require the Treasurer of St. Mary's County to deliver
to the County Attorney a list of all delinquent accounts with re-
gard to such taxes on tangible personal property and to require
the County Attorney to immediately proceed with the collection
thereof.

Section 1. Be it enacted by the General Assembly of Maryland,
That Section 72 of Article 81 of the Annotated Code of Maryland
(1957 Edition), title "Revenue and Taxes", sub-title "Tax Sales",
sub-heading "In General", be and it is hereby repealed and re-enacted,
with amendments, to read as follows:

72.

(a) The collector shall proceed to sell and shall sell under the pro-
visions of this sub-title, at the time prescribed by local law but in no
case, except in the City of Baltimore, later than two years from the
date taxes become in arrears, all property in the county in which he
is elected or appointed upon which taxes are in arrears. The duty
of the collector to sell is hereby declared to be mandatory, but failure