13th Month Pay in the Philippines: The Law, the Formula, the Deadline

13th month pay is a mandatory monetary benefit equal to one-twelfth (1/12) of the total basic salary an employee earns within a calendar year. It is required by law — not a discretionary bonus — and is owed to virtually every rank-and-file employee in the private sector.

It was first mandated by Presidential Decree No. 851, signed in 1975, and remains in force today as amended by later issuances and DOLE guidelines. The benefit exists to give workers extra cash near the end of the year and is a baseline floor: an employer may grant more, but never less.

Because the figure is tied to actual basic salary earned, it automatically scales with how much an employee was paid during the year and with how many months they actually worked. There is no separate application — the employer must compute and pay it as a matter of law.

All rank-and-file employees who have worked at least one (1) month during the calendar year are entitled, regardless of their position, designation, employment status, or the method by which their wages are paid (daily, monthly, piece-rate, or commission-based). Probationary, regular, project, seasonal, and fixed-term rank-and-file employees all qualify once they hit the one-month threshold.

The key dividing line is rank-and-file versus managerial. Under the Labor Code, a managerial employee is one vested with powers to lay down and execute management policies, or to hire, transfer, suspend, lay off, recall, discharge, assign, or discipline employees. Managerial employees are NOT legally entitled to 13th month pay — though many employers grant it voluntarily or by company policy, in which case it becomes a demandable benefit by practice or contract.

An employee who resigned or was separated before the payout date is still entitled to a pro-rated amount for the portion of the year they actually worked. This is typically released as part of final pay.

The statutory formula is straightforward: 13th month pay = total basic salary earned during the calendar year ÷ 12. "Basic salary" means the fixed wage for work performed, before any add-ons.

Crucially, basic salary EXCLUDES allowances and monetary benefits that are not part of basic pay. Excluded items include: cash conversion of unused leave (e.g., service incentive leave), overtime pay, holiday pay and premium pay, night-shift differential, cost-of-living allowance (COLA), and similar premiums. These are left out unless they have been integrated into the basic wage by individual or collective agreement, company practice, or policy.

Absences and unpaid days reduce the total because they reduce basic salary actually earned. Maternity-leave periods are generally treated as not part of basic salary earned for 13th-month purposes, since maternity benefit is an SSS-paid benefit rather than employer-paid basic wage — which is why an employee on extended maternity leave often sees a lower 13th month figure that year.

What counts and what does not

• INCLUDED: basic wage for work rendered (daily or monthly rate × days/months worked)
• INCLUDED: cost-of-living allowance and commissions ONLY if integrated into basic pay by agreement or practice
• EXCLUDED: overtime pay
• EXCLUDED: holiday pay and premium pay
• EXCLUDED: night-shift differential
• EXCLUDED: cash value of unused/converted leave credits
• EXCLUDED: COLA (unless integrated), allowances, and other fringe benefits

Example 1 — full year. An employee earns a basic salary of ₱25,000 per month and works all 12 months with no unpaid absences. Total basic salary earned = ₱25,000 × 12 = ₱300,000. 13th month pay = ₱300,000 ÷ 12 = ₱25,000. For a full-year employee with a stable salary, the 13th month pay simply equals one month's basic pay.

Example 2 — pro-rated (joined mid-year). An employee joins on July 1 at ₱25,000/month and works July through December = 6 months. Total basic salary earned = ₱25,000 × 6 = ₱150,000. 13th month pay = ₱150,000 ÷ 12 = ₱12,500. They receive half of a full month's pay because they worked half the year.

Example 3 — pro-rated (resigned mid-year). An employee at ₱30,000/month resigns effective September 30, having worked January through September = 9 months. Total basic earned = ₱30,000 × 9 = ₱270,000. 13th month pay = ₱270,000 ÷ 12 = ₱22,500, released with final pay.

To run your own numbers including unpaid days and salary changes, use the Orkids 13th-month pay calculator.

13th month pay must be paid on or before December 24 of each year. This December 24 deadline is the hard legal cut-off — employers cannot lawfully push the full payment into the following year.

Employers may release it in two installments — commonly half mid-year (around May or before the school opening) and the balance on or before December 24 — provided the full amount is settled by the December 24 deadline.

Every covered employer must also file a compliance report with the DOLE regional office on or before January 15 of the following year, confirming that 13th month pay was paid. Failure to pay, or late payment, exposes the employer to money claims and penalties.

13th month pay and "other benefits" (such as a Christmas bonus, productivity incentives, and similar) are exempt from income tax up to a combined ceiling of ₱90,000 per year. This ceiling was set by the NIRC as amended by the TRAIN Law (RA 10963).

Only the AMOUNT IN EXCESS of ₱90,000 is added to taxable compensation and subject to withholding tax. For most rank-and-file employees whose 13th month and bonuses total ₱90,000 or less, the entire benefit is received tax-free.

Example: an employee with ₱25,000 of 13th month pay and a ₱20,000 Christmas bonus has ₱45,000 in 13th-month-and-other-benefits — well under ₱90,000 — so none of it is taxed. An employee with ₱25,000 of 13th month pay plus ₱80,000 in other bonuses totals ₱105,000; the first ₱90,000 is exempt and the remaining ₱15,000 is taxable.

13th month pay is a legal mandate under PD 851: every covered rank-and-file employee is entitled to it, and it cannot be withheld or reduced below the statutory formula. It is demandable as a matter of right.

A Christmas bonus or a so-called "14th month pay" is a discretionary benefit. Unless it is required by a collective bargaining agreement, an employment contract, or has ripened into a demandable benefit through long and consistent company practice, an employer is not legally compelled to grant it.

Both share the same ₱90,000 tax-exempt ceiling — they are pooled together as "13th month pay and other benefits" for tax purposes. So a generous Christmas bonus can push the combined total above ₱90,000 and make the excess taxable, even though the 13th month pay portion alone would have been exempt.

The most frequent errors are: including overtime, holiday, or premium pay in the basic-salary base (inflating the benefit); forgetting to pro-rate for mid-year joiners and leavers; failing to release pro-rated amounts in final pay; missing the December 24 deadline or the January 15 DOLE report; and mishandling the ₱90,000 cap when bonuses are large.

These are exactly the kinds of rules that should be encoded once and applied automatically. Orkids builds custom payroll systems for Philippine employers that compute 13th month pay correctly from actual basic salary earned, handle pro-rating and partial-year cases, apply the ₱90,000 exemption against pooled benefits, and generate the data needed for DOLE compliance reporting.

If your current process relies on year-end spreadsheets and manual recomputation, a purpose-built payroll engine removes the room for error — and the audit risk that comes with it.