CFR > Title 16 - Commercial Practices > CHAPTER II—CONSUMER PRODUCT SAFETY COMMISSION > SUBCHAPTER B—CONSUMER PRODUCT SAFETY ACT REGULATIONS (parts 1101 to 1450) > PART 1209—INTERIM SAFETY STANDARD FOR CELLULOSE INSULATION > SUBPART A—The Standard (§1209.1 to §1209.11) > 1209.11—Effective date.