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Instructions for Form 8933›(Rev. December 2025)›General Instructions

Elections

Instruction 8933 — Instructions to Form 8933, Carbon Oxide Sequestration Credit · 2026-10-03 edition · updated 2026-10-04 · United States

Section 45Q(b)(3) Election You can elect to have the inflation adjusted credit rates instead of the applicable dollar amounts apply to Part III for each metric ton of qualified carbon oxide that’s captured by you using equipment that’s originally placed in service at a facility on or after February 9, 2018.

Section 45Q(f)(6) Election For purposes of section 45Q, for any tax year in which such facility is an applicable facility (a facility placed in service before February 9, 2018, and for which no taxpayer claimed a section 45Q credit for any tax year ending before February 9, 2018) that captures not less than 500,000 metric tons of qualified carbon oxide during the tax year, you can elect to have the facility, and any equipment placed in service at the facility, treated as placed in service on February 9, 2018.

You can make a section 45Q(f)(6) election by filing a statement of election with your income tax return for each tax year in which the credit arises. In addition to any information required on Form 8933, your statement of election must show your name, address, taxpayer identification number, location, and the identification number(s) assigned to the facility by the EPA’s electronic Greenhouse Gas Reporting Tool (e-GGRT ID number(s)) (if available).

EPA e-GGRT ID number(s) are identification number(s) assigned to the facility by the EPA’s electronic Greenhouse Gas Reporting Tool.

Section 45Q(f)(3)(B) Election In the case of qualified carbon oxide captured using equipment that’s originally placed in service at a facility

before February 9, 2018, if you’re the person that captures and physically or contractually ensures the disposal, injection, or utilization of the qualified carbon oxide, the credit is attributable to you. You may claim the credit, or you may elect to allow the credit to the person that disposes of, injects, or utilizes the qualified carbon oxide. If you make this election, the amount you elect to allow won’t be allowed to you. You can also elect to allow only part of the credit to the person that disposes of, injects, or utilizes the qualified carbon oxide in a tax year, and to claim the remainder yourself.

In the case of qualified carbon oxide captured using equipment that’s originally placed in service at a facility on or after February 9, 2018, if you’re the person that owns the equipment and physically or contractually ensures the capture and disposal, utilization, or use as a tertiary injectant of such carbon oxide, you may check the box to elect to allow the credit to another person that disposes of, injects, or utilizes the qualified carbon oxide. If you make this election, the amount you elect to allow won’t be allowed to you. You can also elect to allow only part of the credit to the person that disposes of, injects, or utilizes the qualified carbon oxide in a tax year, and to claim the remainder yourself.

A new section 45Q(f)(3)(B) election must be made annually. You make a section 45Q(f)(3)(B) election by filing a Schedule E (Form 8933), no later than the time prescribed by law (including extensions) for filing your federal income tax return or Form 1065, U.S. Return of Partnership Income, for the year in which the credit arises. You must make a separate election for each facility.

Caution: The election may not be filed with an amended federal income tax return, an amended Form 1065, or an Administrative Adjustment Request (AAR), as applicable, after the prescribed date (including extensions) for filing the original federal income tax return or Form 1065 for the year, with the exception of amended federal income tax returns, amended Forms 1065, or AARs, as applicable, for any tax year ending after February 9, 2018, and beginning on or before January 13, 2021. The amended federal income tax return or the amended Form 1065 must be filed, in no event, later than the applicable period of limitations on assessment for the tax year for which the amended federal income tax return or Form 1065 is being filed.

Information required to be provided by electing tax- payer.

  • Election statement of the electing taxpayer on Form 8933 and Schedule E (Form 8933) must indicate that an election is being made under section 45Q(f)(3)(B);

  • The electing taxpayer must provide each credit claimant with a copy of the electing taxpayer’s Schedule E (Form 8933); and

  • The electing taxpayer must, in addition to any information required on Form 8933 and Schedule E (Form 8933), set forth the following information.

  1. The electing taxpayer’s name, address, taxpayer identification number, location, and e-GGRT ID number(s) (if available) of each facility where carbon oxide was captured;

Instructions for Form 8933 (Rev. 12-2025) 5

  1. The full amount of credit attributable to the taxpayer prior to the election;

  2. The name, address, and taxpayer identification number of each credit claimant, and the location and EPA e-GGRT ID number(s) (if available) of each secure geological storage facility where the qualified carbon oxide is disposed of or injected;

  3. The dollar amount of credits the taxpayer is allowing each credit claimant to claim and the corresponding metric tons of qualified carbon oxide; and

  4. The dollar amount of credits retained by the electing taxpayer and the corresponding metric tons of qualified carbon oxide.

period beginning after October 3, 2008, a total of 75,000,000 metric tons of qualified carbon oxide have been taken into account in accordance with section 45Q(a), as in effect on the day before February 9, 2018, and section 45Q(a)(1) and (2).

Information required to be provided by credit claim- ant. The credit claimant must include the following information on Form 8933 with its timely filed federal income tax return or Form 1065 (including extensions).

  • The name, address, and taxpayer identification number of the credit claimant;

  • The name, address, and taxpayer identification number of each taxpayer making an election under section 45Q(f) (3)(B) to allow the credit to the credit claimant;

  • The location and EPA e-GGRT ID number(s) (if available) of each facility where carbon oxide was captured;

  • The location and EPA e-GGRT ID number(s) (if available) of each secure geological storage facility where the qualified carbon oxide is disposed of or injected;

  • The full dollar amount of credits attributable to each electing taxpayer prior to the election and the corresponding metric tons of carbon oxide;

  • The dollar amount of credits that each electing taxpayer is allowing the credit claimant to claim and the corresponding metric tons of carbon oxide; and

  • A copy of the electing taxpayer’s Schedule E (Form 8933).

Section 45Q(f)(9) Election For purposes of section 45Q(a)(3) and (4), a person described in section 45Q(f)(3)(A)(ii) may elect, at such time and in such manner as the Secretary may prescribe, to have the 12-year period begin on the first day of the first tax year in which a credit under this section is claimed for equipment that’s originally placed in service at a facility on or after February 9, 2018, if:

  • No one claimed a credit under this section for such equipment for any prior tax year;

  • The facility at which such equipment is placed in service is located in an area affected by a federally declared disaster (as defined by section 165(i)(5)(A)) after the equipment is originally placed in service; and

  • Such federally declared disaster results in a cessation of the operation of the facility or the equipment after such equipment is originally placed in service.

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▸Contents — Instruction 8933 — Instructions to Form 8933, Carbon Oxide Sequestration Credit

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