P.R. Laws tit. 11, § 27
At the end of each fiscal year, the Manager shall compare the payroll of each employer paying premiums in accordance with this chapter for such fiscal year, with the payroll of the preceding fiscal year on the basis of which the premiums were assessed, levied and collected; and if the payroll for the year during which the insurance was effective is greater than that of the previous fiscal year for which said premiums were assessed, levied, and collected, the Manager shall assess and levy, and shall collect, on the difference, as provided in this chapter, additional premiums in the same manner and on the same basis as the original premiums were assessed, levied, and collected; and if the payroll for the year during which the insurance was effective is less than that of the previous fiscal year for which the premiums were assessed, levied, and collected, the Manager of the State Insurance Fund shall refund or credit, without interest or discount, from the State Insurance Fund, the proportion of the premiums corresponding to the difference between the actual payroll for the year during which the insurance was effective, and the year for which said premiums were assessed, levied, and collected, if the Manager can verify to his full satisfaction that the wages, salaries and other remunerations declared by the employer in the statement or report hereinafter provided for have been correctly stated.
History —Apr. 18, 1935, No. 45, p. 250, § 26; Apr. 22, 1942, No. 43, p. 454, § 1; June 26, 1959, No. 88, p. 246, § 1; May 30, 1970, No. 78, p. 195, § 1; renumbered as § 24 on July 1, 1996, No. 63, § 3.