Tax rates for many statutory substances for which rates were not previously issued.
The IRS announced the prescribed tax rates for 121 taxable substances that are subject to the Superfund chemical excise tax imposed by section 4671(a).
The rates are listed in IRS release IR-2022-133 (June 24, 2022).
IRS release:
- Taxable substances are those listed in either section 4672(a)(3) or Notice 2021-66 [PDF 175 KB].
- Substances may be added or removed from the list of taxable substances at a later date.
- The rates will be included in the instructions to Form 6627, Environmental Taxes, and on the IRS webpage Recent Developments for Form 6627, Environmental Taxes.
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