Installment Sale of Goods in RELIEF SLSP: One Entry at Full Price, Not Spread Across Collections

A VAT-registered seller of goods on an installment payment plan reports that sale in RELIEF SLSP as a single entry for the full gross selling price, in the quarter the invoice was issued — not as a series of smaller entries spread across each monthly collection. This follows directly from how output VAT on goods works under NIRC Section 106: the tax is due on the full contract price at the time of sale, regardless of how the buyer pays, so the Summary List of Sales entry mirrors that same full-price, one-time recognition.

This is a filing-mechanics question that sits next to Is an Installment Sale of Goods Subject to VAT on the Full Price or Each Collection?, which covers the underlying VAT computation rule in more depth. This post focuses specifically on what that rule means for your RELIEF SLSP DAT file — which quarter the entry belongs in, what (if anything) happens to it in later quarters, and how a worked example plays out across the sale and its collections.

Why sellers get this wrong #

The confusion almost always comes from applying the real estate installment-sale rule to ordinary goods, when that rule was written specifically for real property and never extended to tangible personal property. Real estate developers selling units on installment can, under a specific 25%-initial-payment test, recognize output VAT — and therefore report RELIEF SLSP entries — proportionally as each collection comes in, sometimes across dozens of consecutive quarters for a single buyer (see VAT on Installment Sales of Real Property: The 25% Initial-Payment Test for Developers for how that works). A seller of appliances, equipment, vehicles, or any other goods financed on an installment plan does not get that same deferral. Applying the real-property per-collection logic to a goods sale produces a RELIEF SLSP that under-reports the quarter of sale and then, often, keeps reporting phantom “sales” in later quarters that are really just cash collections on an already-reported invoice.

The rule: report the full invoiced amount in the quarter of sale #

Output VAT on a sale of goods is computed on the full gross selling price at the time of sale under NIRC Section 106 — the statutory tax base for goods is not reduced simply because the buyer is paying over time — so the RELIEF SLSP entry for that sale should likewise reflect the full amount in the quarter the sale was invoiced, in one line. Section 106(A)(1) of the National Internal Revenue Code defines the tax base directly:

“‘Gross selling price’ means the total amount of money or its equivalent which the purchaser pays or is obligated to pay to the seller in consideration of the sale, barter or exchange of the goods or properties, excluding the value-added tax.”

— Section 106(A)(1) of the National Internal Revenue Code, as amended, defining the VAT base for sale of goods, as reproduced across BIR/NIRC compliance references summarizing the provision.

This statutory definition is corroborated across multiple independent secondary summaries of NIRC Section 106; confirm the exact current wording against the Tax Code text on the BIR site before relying on it for a specific filing position. The phrase “obligated to pay” is doing the work here — the buyer’s full contractual obligation, not the amount actually collected so far, is the base. A ₱500,000 equipment sale financed over five months is still a ₱500,000 sale for VAT purposes the moment it’s invoiced; the financing arrangement changes when the seller gets paid, not what it owes the BIR or what it reports as a sale.

What happens to the later installment collections? #

The buyer’s subsequent monthly payments on an already-invoiced goods sale are collections against an existing receivable, not new sales — so they generally do not generate their own RELIEF SLSP entries. Once the full invoice has been issued and the sale reported for the quarter it occurred, later collections are a bookkeeping and cash-application matter: the seller issues an acknowledgment or collection receipt for each payment received, reduces accounts receivable, and — if the financing plan charges interest — separately accounts for that interest income, but none of that reopens the SLS entry for the underlying goods sale. Reporting the same sale again as each installment comes in double-counts a transaction that was already fully recognized, which is exactly the kind of discrepancy RELIEF’s cross-matching program is built to flag.

Worked example: a ₱500,000 equipment sale on a 5-month installment plan #

A machine shop sells a piece of industrial equipment to a VAT-registered buyer for ₱500,000, VAT-exclusive, delivered and invoiced in full in March 2026 (Q1), with the buyer paying the balance in five equal monthly installments starting that same month.

Because the full invoice was issued in March, the entire ₱500,000 taxable sale and ₱60,000 output VAT go into the Q1 2026 RELIEF SLS in one line, under the buyer’s TIN, for that quarter’s BIR Form 2550Q. The five monthly collections of ₱112,000 that follow — some landing in Q1, the rest in Q2 — are simply the buyer paying down what it already owes on that invoice. None of those collections gets its own SLS entry; the machine shop issues a collection receipt for each one and applies it against the receivable, but the Q2 2026 RELIEF SLS shows no sale at all to this buyer, because nothing new was invoiced that quarter.

Contrast with a real property developer: if this had instead been a ₱500,000 condo unit sold by a real estate developer whose initial payments happened to stay under the 25% threshold, the developer would spread output VAT — and the SLS entries — across each quarter’s actual collections instead, exactly as described in VAT on Installment Sales of Real Property. The equipment sale above never qualifies for that treatment; goods don’t get the 25% test.

Why this matters for your RELIEF SLSP file #

Reporting a goods sale on the wrong basis — spreading it across collection-quarter entries instead of one quarter-of-sale entry — creates exactly the kind of RELIEF-to-2550Q mismatch the BIR’s cross-matching program is designed to catch, since neither total lines up with the invoice register or the buyer’s own reported purchases. The fix is procedural: pull SLS entries for goods from the invoice/sales register for the period, not the collections or accounts-receivable ledger, and treat every collection receipt on an already-invoiced goods sale as a bookkeeping event only. For the broader filing obligation this sits inside, see What Is RELIEF SLSP? BIR Summary List of Sales and Purchases Explained, and for how a downpayment collected before a sale is even invoiced should be handled, see Do You Report Advance Payments and Deposits in Your RELIEF SLSP?

Summary #

A VAT-registered seller of goods on an installment plan reports the sale in RELIEF SLSP as a single entry for the full gross selling price, in the quarter the invoice was issued — never spread across the buyer’s later monthly payments — because NIRC Section 106 taxes goods on the full amount the buyer is obligated to pay at the time of sale, not on amounts actually collected. That is a different rule from the 25%-initial-payment test available only to real property developers, whose SLS entries can legitimately follow collections quarter by quarter. Pull your goods-sale SLS entries from the invoice register, not the cash receipts book, and treat every installment payment on an already-invoiced sale as a collection, not a new taxable transaction. For the DAT file format itself, see What Is a BIR DAT File?. Confirm current VAT rules on the BIR website before finalizing a filing position on a specific transaction.