(1) Returning the unused medical aid-in-dying medication to the attending physician who prescribed the medical aid-in-dying medication, who shall dispose of the unused medical aid-in-dying medication in the manner required by law; or
(2) Lawful means in accordance with section 25-15-328, C.R.S. or any other state or federally approved medication take-back program authorized under the federal "Secure and Responsible Drug Disposal Act of 2010", Pub.L. 111-273, and regulations adopted pursuant to the federal act.