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Pass-through tax rules

Part ofPass-through tax rulesMCP server

Cited, tax-year-dated rules for state PTET, the federal SALT cap, and bonus-depreciation conformity.

First seen 24 Oct 2026. Evidence as of 25 Oct 2026.

4
Tools
From an anonymous probe
1
Source listings
Each with its own history
4
Recorded changes
Since first seen

Tools

ToolDescriptionBehaviour
bonus_conformityWhether a state conforms to IRC 168(k) bonus depreciation and IRC 179 for a tax year, its IRC conformity date, and the add-back or subtraction in plain terms. Unverified fields are null. Unknown states and years are not_covered.Read-only
coverageList jurisdictions and tax years in this dataset. elective_ptet_2026 counts only 2026 files with an elective PTET. no_elective_ptet_2026 and not_effective_2026 are separate and are not PTET states for 2026.Read-only
ptet_rulesElective pass-through entity tax for one state and tax year: eligibility, who elects, deadline, rate, owner credit or exclusion, estimates, and sunset. Returns not_covered when this server has no file. Informational, not tax advice.Read-only
salt_capCompute the federal SALT deduction cap under 26 USC 164(b)(6) and (b)(7) for a tax year, filing status, and modified adjusted gross income. Returns the cap and the steps, not the deduction. Years before 2018 are not_covered. MAGI is used to compute and is not written to the usage log.Read-only

Change history

  1. ptet_rules: input schema changed
  2. coverage: description changed (+"jurisdictions" +"dataset. elective_ptet_2026 counts only 2026 files with an elective PTET. no_elective_ptet_2026 and not_effective_2026 are separate" +"are not PTET states for 2026.")
  3. bonus_conformity: input schema changed
  4. Listed (registry)
Source listings
SourceListingFirst seenLast seenVersions
Official MCP Registryapp.vercel.pass-through-tax-rules/pass-through-tax-rules24 Oct 202625 Oct 20261