When is the Louisiana PTET election deadline?

[PLACEHOLDER: state DOR cite] — Louisiana election deadline to be pinned to revenue.louisiana.gov FAQ. Federal-level S corp must still affirmatively elect LA PTE treatment (per revenue.louisiana.gov FAQ).

What is the Louisiana PTET rate?

Graduated rates apply; see the picker.

Is the Louisiana owner credit refundable?

Louisiana's PTET owner credit is refundable. [PLACEHOLDER: state DOR cite] — Louisiana uses an income-EXCLUSION model rather than credit for owners; verify mechanic.

Does Louisiana PTET affect composite-return filing?

Stacks. See the composite-vs-PTET page for the full matrix.

Louisiana · LA

Louisiana Pass-Through Entity Tax (PTET)

Louisiana's PTET regime is one of the 37+ state workarounds to the federal SALT cap (IRC §164(b)(6)). The election is annual, statute-pinned below, and interacts with composite filing and §199A QBI in state-specific ways.

Statute: La. R.S. 47:287.732.2 (Pass-Through Entity Tax Election)
State DOR portal: https://revenue.louisiana.gov/tax-education-and-faqs/faqs/corporation-income-franchise-taxes/does-a-corporation-taxed-as-an-s-corporation-federally-have-to-make-the-pass-through-entity-tax-election/
Election deadline: [PLACEHOLDER: state DOR cite] — Louisiana election deadline to be pinned to revenue.louisiana.gov FAQ.
Election form: Form CIFT-620 (Louisiana Corporation Income and Franchise Tax Return), check PTE box
Entity-level rate: [PLACEHOLDER: state DOR cite] — LA enacted flat 3% individual income tax for 2025; 2026 PTE rate to be pinned.
Eligible entities: s-corp, partnership, llc-as-s, llc-as-partnership
Owner credit: refundable — [PLACEHOLDER: state DOR cite] — Louisiana uses an income-EXCLUSION model rather than credit for owners; verify mechanic.
Composite interaction: stacks
§199A QBI base reduction: Yes — Reduces federal flow-through income (Notice 2020-75).
Last verified: 2026-05-11

Source: revenue.louisiana.gov. LA was the FIRST state to enact a SALT-cap workaround in 2019 (predating Notice 2020-75). Owner-side mechanic is an income exclusion, NOT a credit — flagged for deeper verification.

IRC §164(b)(6)Notice 2020-75 IRC §199A

Election walkthrough

Verify eligibility. Louisiana accepts: s-corp, partnership, llc-as-s, llc-as-partnership.
Check the deadline. [PLACEHOLDER: state DOR cite] — Louisiana election deadline to be pinned to revenue.louisiana.gov FAQ. Federal-level S corp must still affirmatively elect LA PTE treatment (per revenue.louisiana.gov FAQ).
Compute the entity-level tax. Apply the 0.00% rate to qualified net income.
Pay and file. Use Form CIFT-620 (Louisiana Corporation Income and Franchise Tax Return), check PTE box. Quarterly estimates may be required.
Owners claim the state credit. refundable credit on the personal state return.
Verify composite interaction. Composite interaction: stacks. See composite vs PTET.
Run the federal §199A QBI math. PTET reduces the QBI base proportionally; net the federal SALT-arbitrage against the §199A offset.

Louisiana PTET — common questions

Annual deadline reminder

State PTET law revises annually. Louisiana's data was last verified on 2026-05-11. Re-confirm with the state DOR primary source before electing or filing. Last full-site review: 2026-05-12.