June 30 Year End? 990-T Direct Pay Extension Due Nov 16

If your organization runs on a June 30 fiscal year, put a solar or geothermal system in service between July 1, 2025 and June 30, 2026, and doesn’t yet have an IRS pre-filing registration number, the move is Form 8868, filed by Monday, November 16, 2026. That moves your Form 990-T due date to May 17, 2027, and the direct pay election stays alive. File the return on November 16 without a registration number and the election isn’t effective. A missing number can’t be fixed on an amended return, and what’s left is a relief rule written for mistakes, covered below.
As of October 22, that deadline is 25 days away. The registration window the IRS recommends closed in July, and the extension is what reopens it.
When Form 990-T is due for a June 30 year end
Form 990-T is due the 15th day of the 5th month after year end. For a June 30, 2026 year end that’s November 15, a Sunday, so under the weekend rule it moves to Monday, November 16, 2026. That’s your original due date. The extended date, if you file Form 8868, is May 15, 2027, a Saturday, which rolls to Monday, May 17, 2027.
Most of what’s out there on the November 16 deadline, our own piece included, assumes a calendar year, where May 15 was the original date and November 16 is the extended one. School districts, cities, housing authorities, and many churches and universities close their books on June 30, and the dates flip.
You’ll file the 2025 revision of Form 990-T, the same form calendar-year 2025 filers use, because the form follows the year your period began. Its instructions require the election to be on a return filed by the due date, including extensions. The extension is what makes May 17 a timely date.
How Form 8868 moves the due date to May 17
Form 8868 gives an automatic six-month extension of time to file Form 990-T. It must be filed by the original due date. An extension attached to a late return extends nothing.
If you remember reading that governmental entities get an automatic, paperless six-month extension without filing anything, that was the rule for the first elective pay returns, and the regulation that allowed it said it would last only until the IRS specified a way to request an extension. Form 8868 is that way. The IRS registration page says governmental entities use it for tax years beginning in 2024 and later, and the 2025 Form 990-T instructions say all entities filing Form 990-T must use it.
Your preparer transmits it through e-file software, and if your organization has never filed a 990-T, setting that up is part of the engagement. Governmental entities filing Form 990-T must use Return Code 15, which the 990-T instructions define as states, political subdivisions, and their agencies and instrumentalities, tribal governments, and territories. A 501(c)(3) organized as a corporation uses the Form 990-T corporation code, 07. Lines 3a through 3c still have to be completed even when the answer on each is zero, and Part II needs no signature.
It doesn’t register anything. The Clean Energy Business Account and the registration package are a separate process, and the 120-day clock restarts against the new due date. Against May 17, 2027, the IRS recommendation is to have the registration submitted by January 17, 2027. That’s a Sunday, so work to Friday, January 15.
Filing on November 16 without a number and amending once it arrives is the other path people ask about. The regulations leave open a narrow corrective route under Section 301.9100-2(b) for an organization that filed on time without a valid election, had no extension, and takes corrective action within six months of the original due date. That route exists for mistakes. Publication 5884 says registration must occur before the return is filed, and it says nothing about a return that’s already in and waiting on a relief rule. The extension is the clean way to buy time.
Can you still get a registration number by November 16?
Probably not. Nothing in the IRS’s own user guide gives you a way to speed it up, and two things in it work against you.
Under the regulations, an entity that doesn’t obtain a registration number and report it on the return is ineligible for any elective payment on that property. The IRS asks you to register at least 120 days before the return due date, including extensions. For a November 16 filing, that was July 19.
Publication 5884, the registration user guide, says the IRS generally reviews submissions in the order received, a registrant can’t request expedited handling, and the IRS will decline to issue a number once timely filing is impossible. With no extension on file, timely filing means November 16, and the closer you get to it with no number, the more likely the IRS stops working your package. Filing the extension moves that cutoff to May 17.
One passage in that guide gets stretched further than it goes. The text says the IRS may consider a registrant’s tax period ending date when managing the caseload, and that as a filing deadline for a type of entity approaches, the review team may prioritize registrations from those entities. It pairs that with a warning that returns in that position may get a closer look before any payment is issued. You can’t ask for it, and you shouldn’t plan around it. It only helps a package that’s already in the queue, so the move is to get yours submitted and clean.
What we’re doing for June 30 clients this month
This weekFile Form 8868 and open the account
The extension goes in now rather than on November 16, because a rejected transmission is a small problem in October and a lost credit on the deadline. In parallel, the authorized person verifies identity through ID.me and opens the Clean Energy Business Account, with a second authorized person added so one absence doesn't stall the filing.
Before ThanksgivingSubmit the registration
One registration number per property, all in a single package under the exact legal name and EIN that will appear on the 990-T, with the ownership and placed-in-service support the tool asks for. Never put the same property in two packages. The package starts the clock, and the credit computation doesn't have to be finished to submit it.
December and JanuaryBuild the return behind it
Eligible basis, the placed-in-service file, bonus credit documentation, and any grant or bond records that may reduce the credit. If the IRS returns the package with questions, you have 35 days to respond and keep your place in line.
January 15, 2027Registration submitted by this date
That's the IRS's 120-day recommendation against a May 17 due date, pulled off the Sunday.
Day the number arrivesFile the return
Registration number on Form 3800 and Form 3468, everything attached, on an original return filed by May 17, 2027.
Once the extension is in, the account is next. How to register a project with the IRS covers what the Clean Energy Business Account needs before you can submit, including the ID.me identity verification step that has to be finished before anything can go in.
Never filed any annual return? Settle the tax year before the first 990-T goes out
File the extension first. Nothing in this section changes that. An unused extension costs nothing and doesn’t lock in the June 30 year, because the year is adopted by the first return, not the extension.
This applies to a narrower group than first-time 990-T filers. The regulations let an entity that isn’t required to file a federal income tax return or a Form 990, and is filing Form 990-T solely to make the election, choose a calendar or a fiscal year on that first return, provided it keeps adequate books and records, including a reconciliation of any difference between its regular books and the chosen year. That describes a city, county, school district, housing authority, tribal government, or church that has never filed an annual return with the IRS. It doesn’t describe an organization that files Form 990, or a university that already files a 990-T for unrelated business income. Those have an established accounting period, and the 990-T instructions require the return to use it.
For the narrower group, the choice decides which return a project belongs to. A system placed in service in the first half of 2026 sits in the year ending June 30, 2026 on a fiscal year, due November 16. On a calendar year it sits in 2026, due May 17, 2027. The IRS’s own FAQ makes the same point for property placed in service in 2023: adopt a calendar year and anything placed in service during 2023 lands on the 2023 return. The choice cuts the other way for a system placed in service in the second half of 2025. On a calendar year that project belongs to 2025, a return that was due May 15, 2026, and unless a Form 8868 went in by then, that return and its election are already late. On a June 30 year the same project still has a live deadline.
Three things make this a preparer decision. The registration carries the accounting period, and the IRS user guide says changing it afterward means amending the registration before the return is filed, so the decision comes before the registration goes in. The reconciliation is required every year the chosen year differs from the books. And the choice isn’t retroactive. The IRS has published an automatic procedure, Rev. Proc. 2025-6, for a governmental entity that later wants to move to the year its books use, and any other change is a request under Section 442.
June 30 year end and no number? GreenFile Advisory handles the Section 6417 filing and documentation side. Send us your legal name, EIN, year end, and placed-in-service date. We'll confirm the deadline, file the extension this week if it's the right move, and sequence the registration inside the IRS's 120-day window for a May 17, 2027 return.
Form references are to the 2025 Form 990-T and its instructions, and to Form 8868 (Rev. January 2025) and its instructions (Rev. January 2026). Check against the revision you file.
Have a project and a deadline?
GreenFile Advisory handles the filing side of Section 6417 direct pay: eligibility confirmation, IRS pre-filing registration, and the Form 990-T with the elective pay election. Filing and compliance only, so we are not competing with your installer or your financing.
This article is general information, not tax advice, and it reflects IRS guidance as of October 22, 2026. Deadlines and eligibility depend on your organization's tax year and entity type. Please confirm your own facts with a qualified tax professional before relying on anything here.