Which regulations are prominent depend on what country you are in, and often what state, province and even city you are talking about.
China is the answer
always use a condom
1.1 Identify legislation relating to general health and safety in health and social care settings.
Explain relevant legislation and external regulation relating to Health and safety of customers and colleagues
In the US there is no legislation regarding health and safety in the IT environment. There is general legislation regarding health and safety in the workplace - the Occupational Safety and Health Act of 1970, and regulations that were issued under its authority.
There are no "common" safety and health regulations specifically relating to bathroom. There are general regulations, and recognized good practice that would apply to many places, including bathrooms.
In the US, there is no national legislation or regulation with that requirement. A few states have that as part of their Occupational Safety and Health regulations.
Jack DeSario has written: 'The politics of health planning' -- subject- s -: Citizen participation, Health planning, Law and legislation
In the US, the Occupational Safety and Health Act covers workplace hygiene.In countries that have them, the Health and Safety laws.
Regulations are usually government requirements. Health and safety regulations are government requirements that relate to preserving or providing health and safety. Health and safety regulations in a workplace are regulations that relate to providing or preserving health and safety in that workplace. There are two kinds of health and safety regulations: "general regulations" that apply to all workplaces, and "industry specific" regulations that apply to specific workplaces.
Asbestos legislation varies from country to country and, within the U.S., state to state. In the U.K., the most up-to-date regulations can be found on the website of the Health & Safety Executive.