Material price tax discount: the short answer
A material unit price should carry sales tax on the full selling price, separately stated taxes, and any discount terms the invoice states. Sales tax, according to New York State Department of Taxation and Finance, must be collected on a package's whole selling price, even when part of that package would not be subject to tax if it were sold separately.
That bundle rule matters most when one bid price covers several materials, because the tax base then follows the whole package rather than its taxable items alone. Two more rules change the figure: a price for each case can move with order size, and the New York example describes an early payment discount as a term stated on the invoice. The sections below take each rule in turn, quoting its source, so each figure can be checked against your supplier invoice before the bid goes out.
Key takeaways: the parts a material line must carry
These points turn the cited rules into checks for one material line.
- carry sales tax on a bundle's full selling price, as the New York bundle example does, and confirm your state's rule before you apply it, so the unit price matches the package the buyer pays for.
- keep separately stated taxes on their own line, apart from the unit price, so the material line shows what the buyer pays and what the invoice adds.
- set the unit price at the order size you expect to buy, because a case price can change with quantity on the purchase.
- copy the early payment discount percent and paying window from the invoice before you credit that discount to the bid.
- compare the reference table rules with your own state's tax rules before you apply any figure from this article.
The parts of a material price: tax, delivery and discounts
Separately stated taxes are the first part to isolate. The taxes that count, according to Minnesota Legislature, Office of the Revisor of Statutes, are those imposed directly on the consumer and separately stated on the invoice. A bid can reflect that split by holding the tax on its own line, so the material price stays readable against the supplier's invoice.
Service work adds a question about the materials. The Ohio text, according to Ohio Laws, treats a person who performs a facility management, or similar service contract, as a consumer of the property bought for that work, even if title to that property sits with the client. The same text, according to Ohio Laws, treats a person who makes sales of listed services as the consumer of property used in performing the service. If a bid includes such a contract, keep the materials on that work as their own cost lines, and check how your state treats them.
Credits that come back after purchase need their own handling. Under the federal cost principle, according to Federal Acquisition Regulatory Council, "Credit such income and other credits either directly to the cost of the material or allocate such income and other credits as a credit to indirect costs." Before you enter a credit on a material line, record which of those two routes your contract uses, so the bid shows where the credit went.
Delivery needs a line of its own until you check its rule. The New York page, according to New York State Department of Taxation and Finance, says, "See Tax Bulletin Shipping and Delivery Charges (TB-ST-838) for more information." That line points to a separate bulletin on shipping and delivery charges. Until that bulletin is read, show delivery apart from the material price rather than assume it is included.
Cash discounts not taken form the last part. A cash discount that was passed up does not have to be credited back when the contractor shows the decision was reasonable, according to Federal Acquisition Regulatory Council. A written note of why each discount was passed up gives that showing a record to point to. Your contract terms decide whether this cost principle applies to the job, so review them before relying on that note.
Published examples: bundled, case-count and early-payment prices
The New York bundle example is the closest parallel to a bid that packs materials together. The example, according to New York State Department of Taxation and Finance, describes a store package containing assorted cheeses, a cutting board, and a knife for $15. That package carries one price, so the bid line needs one price and one tax base for the whole package. Keep the package contents listed beside that line, so a reviewer can see which items were grouped.
Case pricing is the second example. The page, according to New York State Department of Taxation and Finance, says that if a customer orders three cases of copy paper, the price for each case is $35. It continues, "However, if a customer orders 10 cases, the price is reduced to $32 a case." A line built on one case count can differ from the price at a larger order, so the case count on the purchase order belongs next to the unit price.
The New York page then addresses tax on the reduced price. Sales tax, according to New York State Department of Taxation and Finance, is due on the reduced selling price ($320) when a customer orders 10 cases at a time, because the price is established at the time of the purchase. For a bid, the tax base follows the price agreed at purchase, which can be lower than the single-case price. The line that carries tax should show the agreed purchase price.
A second New York example uses the same 10 cases sold at $35 a case. The invoice, according to New York State Department of Taxation and Finance, shows the purchase price of $35 for each case, and the sales tax is calculated on the $350 for the 10 cases. The two examples rest on different stated facts, so each base stays tied to its own invoice. A bid line should therefore match the invoice base that it prices.
The early payment example closes the set. The page, according to New York State Department of Taxation and Finance, says that on the invoice you state that a 10% early payment discount is available to customers who pay their invoices in full within 10 days of the date of delivery. The discount is tied to a paying window, so the material line should record the percent and the 10 days together. A percent entered without its window leaves the paying condition out of the price.
How to work out your own material unit price
The supplier invoice is the place to begin, since it carries the tax, discount and delivery lines for the order. The material price for each unit can sit in one column, with the separately stated tax and any delivery charge in their own columns beside it. The discount can sit on a separate line with its percent and paying window, so the net figure changes without rewriting the whole estimate.
A simple sequence keeps the bid readable. The unit price should be recorded at the order size you expect, using the case count from the purchase order, and the tax base for the full package should be set if the materials are bundled. The separately stated tax belongs on its own line, with the discount terms and any delivery charge beside it. The last step is checking the unit price against the invoice total for the cases bought.
If you buy materials in case or bulk quantities, compare the price for each case at your order size before you set the unit price. If your supplier offers an early payment discount, confirm that the invoice states the percent and the paying window. If you bill a federal contract with material costs, apply the reasonableness test before you credit lost cash discounts. If you price a bundled package with taxable and untaxed parts, the New York example carries tax on the whole selling price, so confirm your own state's rule before you do the same.
A short written record beside the estimate can hold each figure you carry. It should note the source page, the case count, the tax base and the discount terms, so a later reviewer can trace each line to its cited wording. Each entry should carry a date, so the earlier version stays visible beside any revision.
The finished unit price should reconcile against the invoice total before the bid leaves the desk. A tax line that does not match the taxable base, or a discount line without its window, shows that an earlier step needs another look. The purchase order is the place to return to, because the case count on it sets the price the invoice uses.
For the cost line these figures feed, the companion piece Construction material cost line offers a second place to check the bid. It works best as a second pass after the unit price is fixed, so the two sets of checks can be compared on the same bid.
Reference table: material price rules by publisher
The table below holds one row for each publisher in this article. Each row quotes one rule from that publisher's own page and names the subject of that quote, so every entry can be checked against its source. Rules in different rows cover different topics.
The table works as a checklist of topics rather than a complete statement of tax law. Copy the quoted wording into a bid note with its row. The full links appear in the body above, which lets each row be traced to its complete source.
What moves a material unit price after the quote
The New York pages describe New York sales, the Minnesota and Ohio texts describe their own statutes, and the federal cost principle covers material costs in its own setting. Treat each quote as a rule for that source only, and check the matching rule in your own jurisdiction before carrying it into a bid.
The New York example does not decide the answer for your state. The examples, according to New York State Department of Taxation and Finance, describe a store's package, copy paper cases and a discount, so the page is written around those facts. A different state may describe the same bundle or discount in different wording, so the figure on your bid should follow the rule that governs your sale.
Timing of collection also moves the number. A dealer making sales in Florida, according to Florida Legislature, collects the tax from the purchaser at the time of the sale. The tax line should match the date of the sale, and quotes should be kept separate from the invoice that records it. Florida's text is written for dealers in that state, so it is one more reason to check your own state's timing.
Material drawn from stock needs one more check. The rule, according to Federal Acquisition Regulatory Council, reads, "If material is issued from stores, any generally recognized method of pricing such material is acceptable if that method is consistently applied and the results are equitable." A bid that draws on stored material should use one pricing method for each material, note it on the line, and keep that method the same from bid to bid.
When a supplier revises a quote, the estimate should be reopened line by line in the order it was built: the tax base, the case count, the separately stated tax, the discount terms and the delivery line. A change to the case count or the tax base moves the unit price, so the change should be visible on its line. The earlier version can stay beside the revised one until the bid is final, so each change can be traced.
Keeping add-on lines apart from the material unit price lets the material figure be checked against its own source. For those lines, the companion piece on add-on price caps is a related read.
Next step
The next step is to split the last supplier invoice you priced into separate lines for tax, discount and delivery before you set the next unit price.
FAQ: material price tax and discount questions
What should a material price include for tax and discounts?
The unit price should cover the tax base for the whole package, not only the taxable items inside it. Taxes count when they are legally imposed directly on the consumer and separately stated on the invoice, according to Minnesota Legislature, Office of the Revisor of Statutes, so they can sit on their own line. Any stated discount should keep its percent and paying window, taken from the invoice rather than from memory.
How is sales tax figured on a bundle of materials?
Tax on a bundle is figured on the selling price of the whole package. The New York package example, according to New York State Department of Taxation and Finance, collects tax on the $15 selling price, although the cheese in that package would not be taxed if sold separately. The bid line therefore uses the full bundle price as its base, and the untaxed items stay inside that price.
When does an early payment discount apply to a material price?
An early payment discount applies when the invoice states its terms. The New York example, according to New York State Department of Taxation and Finance, offers a 10% discount when the invoice is paid in full within 10 days of the date of delivery. The stated percent and paying window belong in the material line, rather than a discount assumed from another supplier.
Does the case price change with the number of cases ordered?
In the New York example, it does. The page, according to New York State Department of Taxation and Finance, gives $35 a case for three cases of copy paper and a reduced $32 a case for 10 cases. The price for each case should match the case count you expect to buy, since the example ties the price to that count.
Does the New York example apply to my own state?
Not automatically: the New York examples describe New York sales tax, so check your own state's rules. The examples describe a store's package, copy paper cases and a discount, so a different state may word the same rule differently. Your state's rules, and the rules where the materials are sold, should be checked before any figure from this article goes into a bid.
Does delivery always go into a material unit price?
Not necessarily; delivery should stay on its own line until its rule is checked. According to New York State Department of Taxation and Finance, the page points to a separate bulletin on shipping and delivery charges for more information. The bulletin named there is the place to check before deciding how delivery sits on the bid.