Notwithstanding the provisions of NRS 449A.236 to 449A.245, inclusive, to the contrary, a facility may use or authorize the use of physical restraint, mechanical restraint or chemical restraint on a person with a disability who is a patient if the facility is:
1. Accredited by a nationally recognized accreditation association or agency; or
2. Certified for participation in the Medicaid or Medicare program,
Ê only to the extent that the accreditation or certification allows the use of such restraint.