What Is RELIEF SLSP? BIR Summary List of Sales and Purchases Explained

RELIEF SLSP is the Summary List of Sales and Purchases under the Bureau of Internal Revenue’s Reconciliation of Listing for Enforcement (RELIEF) system — a quarterly DAT-file listing of a VAT-registered taxpayer’s sales and purchases attached to the quarterly VAT return, BIR Form 2550Q. Under Revenue Regulations (RR) No. 16-2005, as amended, the SLSP travels with that VAT filing so the BIR can cross-match reported sales against buyers’ claimed input tax.

This guide explains what the sales and purchases schedules contain, who must file, how the attachment works, and walks through a fictional sales example with concrete VAT amounts. For deadlines and penalties, see RELIEF SLSP Deadlines and Penalties.

What does RELIEF SLSP stand for? #

RELIEF is the BIR’s Reconciliation of Listing for Enforcement program; SLSP is the Summary List of Sales and Purchases that program requires from VAT-registered taxpayers above set thresholds. The filing is not a tax computation by itself — it is an information listing that supports BIR Form 2550Q and feeds the BIR’s third-party matching of sales and purchases.

In practical terms, a RELIEF SLSP submission is usually:

• One Summary List of Sales DAT (buyers / output VAT side), and/or
• One Summary List of Purchases DAT (suppliers / input VAT side)

prepared for the same taxable quarter as the VAT return they accompany. Conversion mechanics are covered in How to Convert Excel to BIR DAT File for RELIEF SLSP.

Sales schedule vs purchases schedule #

The Summary List of Sales and the Summary List of Purchases are separate schedules with different counterparty roles and different amount columns — they are not interchangeable. Mixing sales rows into a purchases file (or the reverse) fails validation and breaks the matching the BIR expects.

Each schedule is meant to consolidate multiple invoices with the same counterparty into one line for the quarter, not one line per invoice. Common validation failures (VAT arithmetic, TIN format, mixed rates) are detailed in Common RELIEF SLSP Upload Errors.

Who must file — and how does it attach to BIR Form 2550Q? #

VAT-registered taxpayers whose quarterly sales or purchases cross the applicable SLSP thresholds must submit the matching summary list as a DAT attachment to BIR Form 2550Q, under the VAT and SLSP framework consolidated in RR No. 16-2005, as amended (and the earlier SLSP rules those regulations carry forward). Crossing a threshold on sales only, purchases only, or both determines which DAT files are required for that quarter.

Deadline: RELIEF SLSP moves with the quarterly VAT return — on or before the 25th day following the close of the taxable quarter for most filers, and on or before the 30th day following quarter close for Large Taxpayers (LTS) and eFPS filers where that extended VAT deadline applies. There is no separate earlier SLSP-only due date.

Submission is electronic: generate the DAT, clear the BIR Alphalist Data Entry and Validation Module, then file it with BIR Form 2550Q through the taxpayer’s required channel (eFPS or eSubmission as applicable). Official downloads and forms are on bir.gov.ph.

Worked example: fictional Summary List of Sales rows #

A short sales listing shows how taxable amounts and output VAT must line up at 12% before the DAT is generated. All TINs and names below are fictional.

A VAT-registered wholesaler prepares its Q2 2026 Summary List of Sales (April–June). Three consolidated buyer lines:

Check one row: Metro Retail’s output VAT is 500,000.00 × 0.12 = 60,000.00. If the DAT row instead showed ₱59,800.00 of output VAT against ₱500,000.00 taxable, the Validation Module (and any competent converter) would flag the arithmetic mismatch even though the buyer name and TIN looked fine. Those three lines become delimited sales records in the RELIEF DAT file submitted with BIR Form 2550Q by the applicable 25th- or 30th-day deadline.

Frequently asked questions #

What is RELIEF SLSP? #

RELIEF SLSP is the Summary List of Sales and Purchases under the BIR’s Reconciliation of Listing for Enforcement system — a quarterly, machine-readable listing of a VAT-registered taxpayer’s sales and purchases submitted as a DAT file with the quarterly VAT return.

What is the difference between the Summary List of Sales and the Summary List of Purchases? #

The Summary List of Sales reports output-VAT side counterparties (buyers) and taxable sales for the quarter; the Summary List of Purchases reports input-VAT side counterparties (suppliers) and taxable purchases, split into services, capital goods, and other-than-capital-goods where the layout requires it.

Who must file RELIEF SLSP? #

VAT-registered taxpayers whose quarterly sales or purchases cross the thresholds set under the BIR’s SLSP rules must file the corresponding summary list — sales, purchases, or both — as a DAT attachment to their quarterly VAT return (BIR Form 2550Q).

When is RELIEF SLSP due? #

RELIEF SLSP is due on or before the 25th day following the close of each taxable quarter, the same deadline as BIR Form 2550Q for most filers; Large Taxpayers and eFPS filers follow the extended VAT-return deadline of the 30th day following quarter close where that channel rule applies.

Does RELIEF SLSP have to be a DAT file? #

Yes. The Summary List of Sales and Purchases is submitted electronically as a validated DAT file produced to the Alphalist layout, not as a free-form Excel workbook emailed to the BIR.

Summary #

RELIEF SLSP is the quarterly Summary List of Sales and Purchases DAT that VAT-registered taxpayers above threshold attach to BIR Form 2550Q under RR No. 16-2005, as amended — sales for buyers and output VAT, purchases for suppliers and input VAT, due on the same 25th-day (or eFPS/LTS 30th-day) schedule as the VAT return. Build the listing carefully, validate the DAT, then file. For step-by-step conversion, see Excel to BIR DAT File for RELIEF SLSP; for late-file risk, see RELIEF SLSP Deadlines and Penalties; for fix patterns, see Common RELIEF SLSP Upload Errors.