English speakers, could you help me with my English?

I have to translate into English employee work regulation. Do you think this sound correct? Employees must comply with the requirements of the internal rules of procedure of the company, requirements for the established work and rest times, rest, eat and smoke in the designated areas, perform only the tasks... show more I have to translate into English employee work regulation. Do you think this sound correct?

Employees must comply with the requirements of the internal rules of procedure of the company, requirements for the established work and rest times, rest, eat and smoke in the designated areas, perform only the tasks assigned by the immediate supervisor and only when the methods of safe execution have been explained.
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