After the first General Assembly is held and the first Governing Board is elected, no person who is not a member may practice the trade of master or journeyman plumber in Puerto Rico. If after a period of thirty (30) days from the date the first General Assembly is held, provided he has been informed by certified mail [sic].
History —May 4, 1939, No. 88, p. 496, added as § 18 on June 8, 1973, No. 130, p. 519, § 1.