The IRS has released Internal Revenue Bulletin 2026-26, featuring updates affecting estate taxes, tax-exempt organizations, and renewable energy tax credits.
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The Internal Revenue Bulletin (IRB) is the authoritative instrument for announcing official rulings and procedures of the IRS and for publishing Treasury Decisions, Executive Orders, Tax Conventions, legislation, court decisions, and other items of general interest.
ESTATE TAX
REG-103193-26, page 1593.
These proposed regulations would amend the current regulations to increase the amount of the user fee for authorized persons who wish to request the issuance of IRS Letter 627, also referred to as an estate tax closing letter. Pursuant to the guidelines in OMB Circular A-25, the IRS has calculated its cost of providing the estate tax closing letter to be $76.
EXCISE TAX, EXEMPT ORGANIZATIONS
Notice 2026-36, page 1587.
This notice announces intent to issue proposed regulations under section 4960 pertaining to the tax on excess tax-exempt organization executive compensation. It is anticipated that the proposed regulations will address the expanded definition of covered employee made to section 4960 by the OBBBA. This notice also provides transition relief for applicable tax-exempt organizations (ATEOs) and their related organizations, allowing for certain exceptions to the definition of covered employee provided in the section 4960 regulations to continue to apply until further guidance is issued. This notice also solicits public comments.
INCOME TAX
Notice 2026-37, page 1589.
This notice publishes the inflation adjustment factor and reference price for calendar year 2026 for the renewable electricity production credit under section 45 of the Internal Revenue Code. The 2026 inflation adjustment factor and reference price are used in determining the availability of the credit and apply to calendar year 2026 sales of kilowatt hours of electricity produced in the United States or a possession thereof from qualified energy resources. This notice also provides the credit amounts for calendar year 2026 under section 45.