N.Y.C. Admin. Code § 24-159: § 24-159 Use of less than fully automatic equipment using fuel oil and use of any fuel burning equipment using residual fuel oil; supervision by licensed person.

No person shall cause or permit the use of fuel burning equipment that uses fuel oil and is less than fully automatic, or the use of fuel burning equipment, whether fully automatic or not, that uses residual fuel oil, except under the direct supervision of a person having a certificate of fitness pursuant to section FC 113 of the New York City Fire Code.