On July 22, 2026, the Massachusetts Appellate Tax Board held that the Massachusetts Commissioner of Revenue could not use a Finnigan-style sales reallocation rule to include Massachusetts receipts of a P.L. 86-272 protected affiliate in the sales factor numerators of taxable members of its combined group. P.L. 86-272 prohibits a state from imposing a…

The Texas Court of Appeals held that crude oil stored in tank farms in San Patricio County solely for export to foreign buyers was constitutionally immune from county ad valorem taxation under the Import-Export Clause of the U.S. Constitution. The court concluded the oil constituted property in the stream of export overseas and therefore could…

The New Jersey Superior Court, Appellate Division upheld the application of New Jersey’s 2020 amendment to its royalty addback regulation retroactively to tax years prior to the regulation’s amendment. In 2020, New Jersey amended its regulation (N.J. Admin. Code § 18:7-5.18) to delete geographical limitations in the addback exception for royalty payments made to a…

A California appeals court held that taxpayers challenging city fees as unconstitutional without seeking a refund need not exhaust their administrative remedies. The taxpayers alleged that the City of Azusa’s sewer and trash franchise fees violated Proposition 218, Article XIII D of the California Constitution because the fees exceeded the cost of providing those services…

The Oregon Supreme Court recently held that an out-of-state tobacco manufacturer’s acceptance of prebook orders precluded it from availing itself of Public Law 86-272 protection against the imposition of the state’s corporate excise tax. In 1959, the U.S. Congress passed P.L. 86-272, which prohibits states from imposing a net income tax when the business’s only…

The Third Circuit Court of Appeals upheld a District Court’s dismissal of a taxpayer’s challenge to New Jersey’s partnership filing fee under the tax comity doctrine. The partnership filing fee was enacted by New Jersey in 2002 to offset the costs of reviewing and auditing partnership tax returns. The fee is a flat fee computed…

A North Carolina Administrative Law Judge held that the Department of Revenue did not have the authority to adjust the taxpayer’s net income because the Department failed to timely issue a statutorily required written statement.

The Department believed the taxpayer had not accurately reported income properly attributable to North Carolina due to intercompany transactions that…

In a recent unreported decision, the Maryland Appellate Court held that taxpayers were not entitled to a 13 percent interest rate on a judgement after the legislature lowered the state’s refund interest rate during the pendency of the taxpayers’ appeal.

The taxpayers successfully challenged the limits that Maryland state law placed on the tax credit…

The Supreme Court of Virginia recently upheld a circuit court decision invalidating a county’s plan to claw back tax refunds because it violated the state constitution’s uniform taxation requirement.

The Isle of Wight County changed the valuation methodology for its machinery and tools tax (“M&T tax”), resulting in approximately $5.6 million in refunds for tax…