Cal. Code Regs. tit. 3, § 1438.45
Closed means that the container is closed with a lid material of a similar quality to the adjoining portion of the container to the degree that no part of the produce within the container can be removed without opening the container.
1. Renumbering from Section 1438.53 filed 1-21-75; effective thirtieth day thereafter (Register 75, No. 4).