Regulations last checked for updates: Nov 24, 2024

Title 15 - Commerce and Foreign Trade last revised: Oct 25, 2024
All TitlesTitle 15Chapter XVPart 1500Subpart A - Subpart A—Concrete Masonry Products Research, Education, and Promotion Order
View all text of Subpart A [§ 1500.0 - § 1500.88]
§ 1500.4 - Cavity.

Cavity means the open space in the mold of a block machine capable of forming a single concrete masonry unit having nominal plan dimensions of 8 inches by 16 inches.

authority: 15 U.S.C. 8701-8717.
source: 86 FR 23276, May 3, 2021, unless otherwise noted.
cite as: 15 CFR 1500.4
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