16 CFR § 1209.11 - Effective date.

---
identifier: "/us/cfr/t16/s1209.11"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "16 CFR § 1209.11 - Effective date."
title_number: 16
title_name: "Commercial Practices"
section_number: "1209.11"
section_name: "Effective date."
chapter_name: "CONSUMER PRODUCT SAFETY COMMISSION"
subchapter_number: "B"
subchapter_name: "CONSUMER PRODUCT SAFETY ACT REGULATIONS"
part_number: "1209"
part_name: "INTERIM SAFETY STANDARD FOR CELLULOSE INSULATION"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
regulatory_source: "44 FR 39966, July 6, 1979, unless otherwise noted."
cfr_part: "1209"
---


# 1209.11 Effective date.

All cellulose insulation that is a consumer product and that is manufactured after October 15, 1979 shall meet the requirements of this standard, including the labeling requirement of § 1209.9.