---
title: "First Circuit Local Rules and Procedures"
citation: "First Circuit local rules (official source checked 2026-08-25)"
authority_id: "AUTH-CA1-LOCAL-RULES"
authority_type: "rule"
jurisdiction: "federal_first_circuit"
precedential_status: "binding_procedural_rules_only_as_current_text_applies"
official_url: "https://www.ca1.uscourts.gov/local-rules"
url: "https://jason93.com/legal/federal-process/authorities/AUTH-CA1-LOCAL-RULES/"
legal_review: "2026-08-25"
links_checked: "2026-10-15"
links_available: 1
links_checked_count: 1
license: "CC BY 4.0"
---

# First Circuit Local Rules and Procedures

## Source used

Official court source: <https://www.ca1.uscourts.gov/local-rules>

Official rules portal and rulebook effective through June 1, 2026 checked on 2026-08-25.

## Material limitation

This authority record proves the official source used for current circuit-rule lookup. It does **not** assert that no issue-specific local rule exists. Open the current rule text and any amendment before relying on a deadline, filing requirement, rehearing rule, mandate rule, or other local procedure.

## Linked module

- `MOD-CIRCUIT-OVERLAY-CA1`


## Used in

- [First Circuit Overlay](https://jason93.com/legal/federal-process/modules/95-circuit-overlays/first-circuit.md)