Section 1820 - License required; exemptions(a) A person shall not provide HVACR or HVACR restricted services in this State nor hold himself or herself out to the public as being a master HVACR licensee or master HVACR restricted licensee, nor use "master HVACR licensee", "master HVACR restricted licensee" in connection with that person's name nor otherwise assume or use any title or description conveying or tending to convey the impression that that person is qualified to provide HVACR or HVACR restricted services, unless that person has been licensed as a master HVACR licensee or a master HVACR restricted licensee under this chapter or exempted from the provisions of this chapter pursuant to subsection (c) of this section.(b) If the license of a master HVACR licensee or master HVACR restricted licensee has expired or been suspended or revoked, it is unlawful for the holder of the expired, suspended, or revoked license to act as a master HVACR licensee, or master HVACR restricted licensee in this State.(c) An individual may provide HVACR or HVACR restricted services without being licensed under this chapter if:(1) The individual is an apprentice, journeyman, mechanic or other person providing such services under the supervision of a master HVACR licensee or master HVACR restricted licensee, who is the individual's employer or who is employed full time by the same business entity as the individual;(2) The individual is a homeowner who is performing HVACR services other than gas piping in or about that individual's own home that is not for sale or any part for rent or lease;(3) The individual is providing such services on property used exclusively for agricultural purposes and the individual has filed an application for a permit with the authorized inspection authority;(4) The individual is providing such services pursuant to the provisions in § 1831 of this title.(d) The penalty for a violation of this section is, for a first offense, a fine of not less than $1,500 nor more than $3,000, and, for a second or subsequent offense, a fine of not less than $3,000 nor more than $6,000. Justice of the Peace Courts have jurisdiction over violations of this section.Amended by Laws 2021, ch. 231,s 1, eff. 9/30/2021. 75 Del. Laws, c. 296, § 1; 70 Del. Laws, c. 186, § 1.;