Ship and Debit in Distribution, Explained for Contractors

Ship and debit is the mechanism that lets your supply house sell you a job quote at a price it could not afford to give you off the shelf. The distributor buys the material at its normal into-stock cost, sells it to you at the sharp quoted number, then bills the manufacturer for the difference. Ship, then debit. The discount is not the distributor’s to give. It is the manufacturer’s, granted for a specific contractor on a specific job, and it is claimed after the sale.

That is the whole idea, and it explains the thing that confuses everyone: why the price on your quote is real, why nobody at the counter can reproduce it a month later, and why the same part number on a stock ticket costs noticeably more than it did on the job.

If you have ever asked “why can’t I just always get the quote price,” this is the answer. Not stubbornness. There is no rebate attached to a walk-in.

What ship and debit actually is

The formal name for the underlying agreement is a special pricing agreement, or SPA. Enable, which builds rebate software for wholesale distribution, describes SPAs as rebates that return money up the supply chain after a sale rather than discounts applied at the moment of purchase, and lists the industry synonyms plainly: ship and debit, distributor rebate contract, vendor chargeback, product billback. Different companies, different words, same machinery.

The sequence runs like this.

Your distributor already owns the material, bought at its standard into-stock cost from the manufacturer.
Your distributor asks the manufacturer for support on a named opportunity: your company, this job, these part numbers, roughly this quantity.
The manufacturer approves a lower effective cost for that opportunity. Vendavo describes this as the difference between a standard price and a negotiated into-stock price per distributor.
The distributor quotes you off the approved cost, not off its shelf cost.
You buy. The distributor ships.
The distributor files a reimbursement claim with the manufacturer, with supporting documentation such as invoices and proof of delivery, and eventually gets the difference back.

Step six is the part contractors never see, and it is the reason the whole thing behaves the way it does.

Why the quote price can be below the shelf price

Two facts sit behind almost every sharp job number you have ever received.

First, this is not a small corner of distribution. SPARXiQ, which works on distributor pricing analytics, estimates that 25% to 50% or more of a distributor’s revenue may carry vendor cost supports, typically running a 10% to 20% reduction against standard into-stock pricing, with variation of 25% or more across similar opportunities. Read that last clause twice. Two jobs that look the same to you can carry materially different manufacturer support, which is why two quotes from the same branch in the same quarter do not always line up.

Second, the distributor is fronting money. Electrical Trends describes SPAs as ship-and-debit programs between manufacturers and distributors that support stock sales growth, and notes the working capital strain plainly: the distributor pays the higher upfront cost and waits for the rebate. The same piece describes one regional distributor freeing up over $2,000,000 by cleaning up claims aged past 90 days. Your quote price is, in a real sense, your distributor lending you money against a claim it has not collected yet.

That framing matters for how you talk about it. Your rep is not hoarding a better price. Your rep is managing a claims pipeline.

Who holds which number

Contractors tend to picture one price per part. There are at least four numbers in play on a ship-and-debit transaction, and only one of them appears on your invoice.

Number	Whose number it is	Do you ever see it	What moves it
Manufacturer list price	Manufacturer	Yes, on published price files	Manufacturer price letters
Standard into-stock cost	Distributor’s cost	No	Distributor’s own agreement with the manufacturer
SPA or approved job cost	Distributor’s cost on this job	No	Manufacturer approval, per contractor, per job
Your quoted price	What you pay	Yes	The approved cost plus the distributor’s margin

You negotiate against the last row. Your distributor negotiates against the third. That is the actual structure of the conversation, and knowing it stops you from pushing on a number your rep genuinely cannot move without a phone call to the factory.

The broader stack of prices your account can fall onto (list, multiplier, contract, counter) is worked through in contract price vs counter price at your supply house, and the four names those numbers travel under are in list price vs net price at your distributor.

Why the price evaporates when you restock

Here is the practical consequence, and it is the reason this post exists.

A SPA is scoped, not general. Electrical Trends notes that SPAs are static rather than dynamic, negotiated per product and per customer. Enable makes the same point from the contract side: SPAs are negotiated agreements tied to purchase thresholds or qualifying criteria. A qualifying criterion is a fence. Step outside it and the support does not follow you.

The specific ways you step outside it:

You exceed the quoted quantity. The approval covered 40 fixtures. You need 46. The last six reprice to stock, because there is no claim the distributor can file on them.

The quote expired. Approvals carry dates. Nobody calls to tell you the date passed. The next ticket just prices differently, which is the most common shape of a quote versus invoice mismatch.

A part got substituted. The claim attaches to a catalog number. An equivalent from another manufacturer is a different record with no approval behind it. This is the single most reliable way a good price disappears without anyone deciding anything.

You bought it as stock instead of against the job. Same branch, same SKU, but the ticket was not written against the quote, so nothing links the sale to the approval. This one is fixable at the counter if you catch it in the moment.

You are trying to return it. This is the ugly one. Material bought under a job approval is still subject to the branch’s ordinary return policy, and published distributor policies are strict. Colonial Electric Supply publishes a minimum 25% restocking fee with no returns on wire cuts or non-stock items; Main Electric Supply publishes the same 25% minimum with a 30-day window and prior approval required. Others sit lower: Electrical Wholesalers publishes a 15% minimum and no credit at all on cut wire or made-to-order material. Special and custom orders are commonly not returnable at all, and a job-quoted specialty item is very often a special order. The mechanics of that are covered in supply house restocking fees.

Put those together and the pattern is clear. The sharp price exists inside a box drawn around one job, one set of part numbers, one quantity, one date range. Everything outside the box prices normally.

What this means for how you buy

None of this is a reason to stop taking job quotes. Job quotes are the best pricing most shops will ever see. It is a reason to treat a quoted price as a perishable asset and buy accordingly.

Write the quote number and the covered quantity on your own copy. Not the distributor’s copy. Yours. When the running total of what you have pulled approaches the quoted quantity, you know the next pull reprices. A contractor on the Mike Holt forums described the failure mode precisely: “They may quote the stuff on bid day at say $87,000 but when you add all the total invoices up at the completion of the project they can be from $87,000 to $100,000 or more.” The control the same poster suggests is exactly this: “keep a running tally on what has been invoiced and when it hits the quote amount flag it.”

Order the full quoted quantity at once where storage and cash allow. Every partial pull is another chance for the ticket to be written off-quote. This trades working capital for price certainty, and whether that trade is worth it depends on your cash position, not on principle.

Ask the counter to write the ticket against the quote number, every time. Ten seconds at the counter, and it is the difference between a claimable sale and a stock sale.

Build in a real overage. If your takeoff says 40, quote 44. Getting approval for the extra four upfront is trivial. Getting it after you have already bought them at stock price is not, because the distributor cannot file a claim on a sale that already happened at the wrong cost. Vendavo notes billbacks as retroactive billing adjustments that exist in wholesale distribution, but a retroactive fix depends on the manufacturer, not on your rep’s goodwill.

Do not assume the sharp price is your new normal. This is the most expensive mistake, because it corrupts your estimating. If you price the next bid off what you paid on a supported job, you are bidding against a rebate you do not have. That is a slower and more damaging version of material price creep: the number did not go up, your reference number was never real for stock work.

How to ask about it without putting your rep in a bad spot

Your rep cannot tell you what their approved cost is. That is a confidential agreement between the distributor and the manufacturer, and asking for it is asking them to break a contract. Ask the questions they are free to answer instead.

“Is this quote supported by the manufacturer, or is it off my standard multiplier?” A rep can almost always answer this one, and the answer tells you whether the price is repeatable.
“What quantity and what expiry does this quote cover?” This is on the quote, or it should be. If it is not, get it in writing.
“If we need more than the quoted quantity, can you extend the approval, and how much notice do you need?” Notice is the real currency here.
“If you have to substitute, will the quoted price hold on the substitute?” Usually no. Get the no in writing so it is not a surprise.
“Which of my regular stock items carry manufacturer support, and which are straight multiplier?” This is the highest-value question on the list, because it tells you where a negotiation can actually move and where it cannot. That conversation is set up properly in how to negotiate with your supply house.

Note what is not on that list: any demand that the distributor prove its cost, and any suggestion that a lapsed quote was a bait and switch. Neither is true and both will cost you a relationship that is worth more than the line item.

None of this is regulated. There is no rule requiring a distributor to tell you a quote is exhausted, no standard expiry period, and no obligation to hold a quoted price on a substituted part. Every one of those is contractual, meaning it is whatever your quote document says, which is exactly why the quote document is worth reading before you sign it.

The short version

Ship and debit means your distributor sells at the quoted price, then claims the difference back from the manufacturer. The discount originates at the factory.
Because the claim is filed per contractor, per part number, per job, the price is fenced. Outside the fence there is nothing to claim, so you pay stock price.
Quantity overruns, expired quotes, substituted parts, and off-quote tickets are the four common ways you leave the fence.
Returns of job-quoted material run into published restocking policies, commonly 15% to 25% minimums, and special orders are often not returnable at all.
Track quote number, covered quantity, and expiry on your own copy, and run a tally of invoiced dollars against the quote.
Never estimate stock work off a supported price. That number was never available to you off the shelf.