2. Annually, for the duration of heat season, the department shall conduct inspections of each class A multiple dwelling selected pursuant to this subdivision at least twice each month, without receipt of complaints, for compliance with the requirements of this section, section 27-2028 and subdivision a of section 27-2029, consistent with applicable law and in accordance with rules of the department. In the course of such inspections, the department shall also inspect to ensure the device is installed in accordance with subparagraph (b) of paragraph 3 of this subdivision. The department may discontinue such inspections in such class A multiple dwelling, provided that there are no open violations of paragraph 3 of this subdivision as of January 31 in such heat season and no violations of section 27-2028 or subdivision a of section 27-2029 were issued since October 1 of such heat season. The department may by rule provide for a fee for any inspection conducted after January 31 for the remainder of such heat season.
3. For a period of no more than four years, beginning on the date a class A multiple dwelling was last selected pursuant to this subdivision, the owner of each such class A multiple dwelling shall:
(a) Notify all tenants, at a time and manner described in rules promulgated by the department, regarding the requirements of this section, including installation of such devices, instructions on how to access the information collected by such devices, the tenant's right of refusal, and the tenant’s right to request that such device be installed in a living room of the tenant’s choice within the dwelling in accordance with subparagraph (b) of this paragraph;