(a)
Each citation issued under Section 6317, and each special order or action ordered pursuant to Section 6308, or a copy or copies thereof, shall be prominently posted, as prescribed in regulations issued by the director, at or near each place a violation referred to in the citation or order occurred. All postings shall be maintained for three working days, or until the unsafe condition is abated, whichever is longer. Following each investigation of an industrial accident or occupational illness, if no violations are found, the employer shall post a notice prepared by the division so indicating for three working days.
(b)
When the division verifies abatement of a serious violation or an order at the time of inspection or upon reinspection, the employer shall post a notice prepared by the division so indicating for three working days. In all other cases of abatement of serious violations, the employer shall post the signed statement confirming abatement prepared pursuant to Section 6320.