Does the law require domestic workers to bear health and accident risk exemptions?

Excuse me, do you want to ask, "Does the undertaking of health and accident risk exemption for domestic workers have legal effect?" This undertaking must meet the following conditions at the same time to be effective:

1 is a reflection of the true wishes of the parties. The content of the letter of commitment shall be the expression of the true meaning of the parties, and shall not be forced, threatened, lured or deceived.

2. No violation of relevant laws and regulations; The contents of the letter of commitment must comply with the provisions of the law and cannot violate the prohibitive provisions of laws or administrative regulations, otherwise it may lead to the invalidity of the letter of commitment.

3. Do not infringe upon the interests of others. The promisor can only dispose of what he has the right to dispose of, but not infringe upon the legitimate interests of others.