Which should prevail when conflicts arise between an administrative regulation and a statute?

      TOPIC:

1. Which should prevail in case of conflict between a statute and an administrative regulation?
2. What does basic salary mean?

Boie-Takeda Chemicals, Inc. vs. De la Serna

FACTS:

Petitioner Boie-Takeda Chemicals, Inc. was allegedly found by the Department of Labor and Employment to have committed an underpayment of the 13th month pay given to its medical representative employees. 

DOLE cited Section 5(a) of the Revised Guidelines on the Implementation of PD 851 or the 13th Month Pay Law, as promulgated by then Labor Secretary Franklin Drilon. Under Section 5(a) of the Revised Guidelines, the "commission shall be included in the computation of the 13th month pay".

Petitioner argued that the computation of the 13th month pay which is 1/12 of the basic salary should be based solely on the basic salary not including the commission and other benefits.  

ISSUE:

Whether or not the DOLE Revised Guidelines on the Implementation of the 13th Month Pay Law should prevail over P.D. 851. 

RULING: 

No, the DOLE Revised Guidelines on the Implementation of the 13th Month Pay Law do not prevail over P.D. 851.

Under the rules on statutory construction, an administrative agency cannot amend an act of Congress. Hence, implementing rules cannot add to or detract from the provisions of the law it is designed to implement.

In this case, the second paragraph of Section 5(a) of the DOLE Revised Guidelines on the Implementation of the 13th Month Pay Law unduly added the concept of "basic salary" as defined in P.D. 851 when it included the commission as part of the basic salary for purposes of computation of the 13th month pay. 

Therefore, the computation for the 13th month pay as provided in the Revised Guidelines is not valid.