In a labor advisory, DOLE provided guidelines for the proper computation for the 13th month pay. “The 13th month pay shall be paid to rank-and-file employees in the private sector regardless of ...

For the computation of the 13th month pay, it should not be less than 1/12 of the total basic salary earned by a worker within a calendar year.

The advisory also clarified that allowances and other monetary benefits are typically excluded from the computation unless ... for exemption from payment of 13th-month pay, or for deferment ...