An effective IIPP must include a system for communicating with employees about occupational safety and health in a form 'readily understandable' by all affected workers. This primarily means the employer must:

Explanation

Section 3203(a)(3) requires a system for communicating with employees in a form readily understandable by all affected employees, including provisions designed to encourage employees to report hazards without fear of reprisal. Posting is one of the means the standard lists as substantial compliance, and section 1509(c) does require the Code of Safe Practices to be posted at the job site office - but a posted document is not a system and opens no reporting channel. The majority-language test belongs to a different standard: section 3395(i) requires the heat illness plan in English and in the language understood by the majority, while section 3203 asks whether each affected employee understands. A quarterly tailgate also understates section 1509(e), which requires crew safety meetings at least every 10 working days.