Section 4203.

Cal. Commercial Code - COM § 4203.
in effect
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Subject to Division 3 (commencing with Section 3101) concerning conversion of instruments (Section 3420) and restrictive indorsements (Section 3206), only a collecting bank’s transferor can give instructions that affect the bank or constitute notice to it, and a collecting bank is not liable to prior parties for any action taken pursuant to the instructions or in accordance with any agreement with its transferor.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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