(1) persons practicing in hospitals as defined in section twenty-eight hundred one of the public health law;

(2) the dispensing of drugs at no charge to their patients;

(3) persons whose practices are situated ten miles or more from a registered pharmacy;

(4) the dispensing of drugs in a clinic, infirmary or health service that is operated by or affiliated with a post-secondary institution;

(5) persons licensed pursuant to article one hundred thirty-five of this title;

(6) the dispensing of drugs in a medical emergency as defined in subdivision six of section sixty-eight hundred ten of this article;

(7) the dispensing of drugs that are diluted, reconstituted or compounded by a prescriber;

(8) the dispensing of allergenic extracts; or

(9) the dispensing of drugs pursuant to an oncological or AIDS protocol. b. The commissioner, in consultation with the commissioner of health, may promulgate regulations to implement this subdivision and may, by regulation, establish additional renewable exemptions for a period not to exceed one year from the provisions of paragraph a of this subdivision. 3. A pharmacist may dispense drugs and devices to a registered professional nurse, and a registered professional nurse may possess and administer, drugs and devices, pursuant to a non-patient specific regimen prescribed or ordered by a licensed physician or certified nurse practitioner, pursuant to regulations promulgated by the commissioner and the public health law.