Relating to filtration requirements for air admitted into buildings; prescribing an effective date.

Requires Director of Department of Consumer and Business Services to amend state mechanical, heating and ventilating code to require use of current best available technology for filtering outside air admitted into buildings and to require that all outside air admitted into buildings passes through filtration technology during periods in which air outside building poses significant risk of harm to health or safety of occupants of building. Specifies standards that code amendment must meet. Becomes operative January 1, 2022. Takes effect on 91st day following adjournment sine die.