P.R. Laws tit. 29, § 356
The Secretary of Labor and Human Resources is hereby vested with full powers to regulate hereafter everything relative to the matter covered by §§ 353—358 of this title, introducing those other standards that the new scientific advances and medical discoveries may so advise, regulating the authorized maximum weights both for adults and minors without making distinction as to sex, providing that every person, whether an adult or minor, lift, transport or bear on himself only that weight that he can individually lift, transport or bear in such a way as to avoid undue fatigue and a very great effort, so that there shall be no danger to his health and security at any time; providing likewise regulations to these effects for the pregnant woman so that her health or that of the child shall not be affected; and providing moreover regulations for any kind of provisional disability. In the approval and drafting of the regulations authorized by §§ 353—358 of this title, the Secretary of Labor and Human Resources shall be governed by the proceeding established for those same purposes by Act May 5, 1939, No. 112.
History —May 22, 1968, No. 49, p. 81, § 4; June 22, 1975, No. 40, p. 97, § 5.