16 C.F.R. § 1509.4 Spacing of unit components.
Title 16 - Commercial Practices
(a) Uniformly spaced components. The distance between adjacent, uniformly spaced components (such as slats, spindles, and/or corner posts) shall not be greater than 6 centimeters (2 (b) Nonuniformly spaced components. (1) The distance between adjacent nonuniformly spaced components (such as slats, spindles, and/or corner posts) shall preclude passage of block A, specified in §1509.5(b), when inserted in any orientation (nonuniformly spaced components referes to irregularly shaped crib slats whether parallel to each other or not). (2) The spacing between any such adjacent components shall preclude passage of block B, specified in §1509.5(c), when inserted in any orientation immediately above and below the loading wedge specified in §1509.5(a) while the components are being subjected to the test procedure specified in §1509.6.
Title 16: Commercial Practices
PART 1509—REQUIREMENTS FOR NON-FULL-SIZE BABY CRIBS
§ 1509.4 Spacing of unit components.