Puerto Rico IVU: the quick guide
The Sales and Use Tax shows up on almost everything you buy, yet few people know how it's composed, what's exempt and how to undo it when all you have is the receipt total.
Where the 11.5% comes from
The standard rate combines 10.5% state and 1% municipal. It applies to most retail sales of goods and many services.
There's also a special 4% rate for certain business-to-business and designated professional services.
What doesn't pay IVU
The most common examples: most unprepared groceries, prescription drugs and purchases made with PAN (NAP) funds.
Prepared food — hot food, restaurants, ready-to-eat meals — pays the full rate. Where the line falls is defined by Hacienda, not the store.
Backing the price out of a total
To undo IVU you divide, not subtract: price = total ÷ 1.115. Subtracting 11.5% from the total gives the wrong number because the percentage was applied to the price, not the total.
Example: a $50.00 receipt contains $44.84 of price and $5.16 of tax. The IVU calculator's reverse mode does this division for you.
IVU on sales and discounts
IVU is charged on what you actually pay after the store's discount. A $100 item at 30% off pays tax on $70, not $100.
Manufacturer coupons can be treated differently case by case; when in doubt, check the receipt — the tax charged is itemized.
How to check the IVU on a receipt in ten seconds
Divide the total by 1.115. If the result matches the printed subtotal, the charge is right. If it doesn't, either the merchant applied the rate to something exempt or something was keyed in wrong.
That same division is why subtracting 11.5% from the total never works: the tax was calculated on the subtotal, so 11.5% of the total is always larger than the real IVU. On a $50 receipt the gap is 59 cents; on a $1,200 purchase it is more than $14.
The three mistakes people repeat most
The first is subtracting instead of dividing, which we just covered. The second is assuming IVU is figured on the list price: it is figured on what you actually pay, so a store discount lowers the tax too.
The third is stacking discounts by adding them. 20% followed by 10% is not 30%: the second discount applies to what the first one left, so the effective rate is 28%. On $200 the difference between expecting $140 and paying $144 is small, but on a large purchase it shows.
When IVU doesn't appear on the receipt
The tax's full name is Sales and Use Tax, and that second half exists precisely for purchases where the seller didn't charge it. The use portion applies to goods brought into Puerto Rico for personal consumption when the sale wasn't taxed here.
In practice most large online marketplaces now collect IVU at checkout and itemize it in the confirmation. If you are bringing something in from outside and saw no tax anywhere, check with Hacienda whether you need to report it — the obligation doesn't disappear just because it wasn't printed.