A cash contribution shall not be deemed received if it is not negotiated or deposited and is returned to the contributor before the closing date of the campaign statement on which the contribution would otherwise be reported. If a cash contribution, other than a late contribution, as defined in Section 82036, is negotiated or deposited, it shall not be deemed received if it is refunded within 72 hours of receipt. In the case of a late contribution, as defined in Section 82036, it shall not be deemed received if it is returned to the contributor within 48 hours of receipt.
Ca. Gov. Code § 84300