21 CFR Part 211 - Current Good Manufacturing Practice
Subpart I - Laboratory Controls

21 CFR Part 211 - Current Good Manufacturing Practice CFR211-I-176: Section 211.176 - Penicillin Contamination

If a reasonable possibility exists that a non-penicillin drug product has been exposed to cross-contamination with penicillin, the non-penicillin drug product shall be tested for presence of penicillin.

Other controls in Subpart I - Laboratory Controls

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The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.