What should be followed according to the most restrictive law regarding telehealth?

The correct choice emphasizes the necessity of adhering to the most restrictive law established by federal, state, or licensing boards when practicing telehealth. This principle is critical in telehealth because it helps ensure that practitioners comply with the highest standard of care and legal requirements. By following the most restrictive regulation, practitioners can effectively minimize legal risks and enhance patient safety.

In the context of telehealth, laws and regulations can vary significantly between different jurisdictions and can be more stringent at state or local levels than at the federal level. Therefore, in order to protect both the provider and the client, practitioners must always follow the regulations that impose the strictest requirements. This includes taking into consideration not only federal laws but also state regulations and any specific rules set forth by licensing boards pertaining to the provider's profession.

Adhering to such regulations helps ensure that practices are not only legally sound but also in alignment with ethical standards of care within the healthcare field. It reinforces the principle that while laws may vary, the primary focus should remain on providing safe and effective care to patients.