(a) A business entity or public agency shall not engage in a lead-based paint activity unless the business entity or public agency holds a license issued by the secretary for that purpose.

(b) Except as otherwise provided in the residential childhood lead poisoning prevention act, no individual shall engage in lead-based paint activities unless the individual holds a certificate issued by the secretary for that purpose. In order to qualify for a certificate, an individual must have successfully completed an accredited training program and pass a third party exam as required by the secretary. Any individual who owns and resides in a residential dwelling may perform lead-based paint activities within such residential dwelling even though such individual does not hold a certificate for that purpose under the residential childhood lead poisoning prevention act. All work performed by such individual owner of a residential dwelling must be performed in accordance with state and federal guidelines or statutes, or both.

(c) Any business or public agency that owns or leases a nonresidential dwelling may perform lead-based paint activities within such facility even though such business or public agency does not hold a license for that purpose under the residential childhood lead poisoning prevention act. All work performed by a business or public agency on such facility must be performed in accordance with state and federal guidelines or statutes, or both.