Is there a penalty for applying for Form 8288-B late?
Think of it as a lost opportunity rather than a charge. The application is a request to reduce what is held back at a closing, so once the closing has happened and the money has been remitted there is nothing left for it to reduce. Being late costs you the use of the funds rather than a penalty on the application itself. Exposure of the penalty kind attaches to the filings around the transaction, and those are measured by reference to the form and the delay rather than to the tax due. So the cost of lateness here is cash-flow, and it is real.
I have already closed, can I still apply?
You can lodge one, but ask what it would achieve. The value of an application is that it releases cash at the table, and after completion the amount has gone to the tax authority, where it stays until the return for the year of the disposition is dealt with. At that point the actual tax is worked out and the amount withheld is credited against it. So the sensible response to a missed window is not to apply anyway, but to make the return route as clean as possible: evidence of what was withheld, and a well-documented figure for the actual gain.
How long will the tax authority hold my money if I miss the window?
Until the year of the disposition is settled on a return, which means the timetable stops being the closing date and becomes the filing cycle for that year. That is the honest answer, and it is why the pre-closing route is worth so much effort. Two things shorten the wait in practice: filing for that year as early as the papers allow rather than at the last permitted date, and having the evidence of the withholding in hand when you file, so the claim is not held up in correspondence about what was remitted and by whom.
Can the buyer just release the money while my application is pending?
Not safely, and it is their risk rather than yours. Until the application is determined, the standard withholding is what governs the closing, so a buyer's side that hands the seller the full proceeds on the strength of an undetermined application has taken the obligation on personally. Expect them to say no. The workable answer is usually an arrangement in writing under which the settlement agent holds the amount, and releases it to the seller or remits it once the position is known. Propose that early, because a buyer asked to improvise at completion will simply withhold.
Does a late application help at all?
Rarely on its own, but the work behind it is not wasted. An application is essentially a documented computation of the tax the disposition will actually produce: what the property cost, what was spent on it, what it sold for. That schedule is exactly what the return for the year of the sale needs, and exactly what supports the claim for credit against the amount withheld. So if you have prepared an application that arrived too late to do its job, keep the file. It becomes the evidence for the slower route rather than a discarded effort.
Completion is days away, is it too late to try?
Probably, and the better question is what to do with the days you have. Two things are worth more than a rushed application. First, establish whether the arithmetic even supports one, because a seller with a real gain gains little from it. Second, agree in writing with the buyer's representatives what will be held back and how it will be remitted, so that whatever goes to the tax authority is documented and the evidence of it reaches you. A clean record of the withholding is what makes the later claim straightforward.
How do I get back tax withheld in another country?
By the route that country provides, and it is rarely automatic. Where an elective return is available — on rent or pension income, for instance — filing it recomputes the tax on net income and refunds the difference. Where it is not, you file a refund claim with the withholding authority, supported by evidence of your residence and entitlement to the treaty rate. Both take time, which is why fixing the rate before payment is worth more. See withholding refund and recovery.
Which business structure has double taxation?
The corporation — specifically a US C corporation, where profit is taxed to the company and the dividend again to the shareholder. Sole proprietorships, partnerships and LLCs treated as flow-throughs are taxed once, in the owners' hands. Across borders that tidy answer breaks: an entity treated as a flow-through in one country can be opaque in the other, which produces a mismatch neither system planned for. See LLC against corporation for Canadians.
