Cal. Code Regs. tit. 3, § 1438
(b) Seed stems which have been determined to be present by internal examination and which exceed the length permitted in the following official illustration established by the Director.
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Head lettuce, including partially or completely cored heads, shall not be leafy without head formation, shall be fairly well trimmed, and shall be free from any of the following defects:
Note: Authority cited: Sections 14, 407 and 42684, Food and Agricultural Code. Reference: Section 42941, Food and Agricultural Code.
1. New Section filed 1-21-75; effective thirtieth day thereafter (Register 75, No. 4).
2. Amendment filed 4-17-84; effective upon filing pursuant to Government Code Section 11346.2(d) (Register 84, No. 16).
3. Amendment of subsection (b) filed 10-14-87; operative 11-13-87 (Register 87, No. 42).