(A) No person other than an owner or his or her authorized employees or public utility may do any act for which permission is required under § 23A.7, except a person whose principal business is tree surgery, trimming or maintenance and who is qualified for the business in accordance with standards to be established by the Parks and Recreation Commission and who has obtained a permit to carry on the business in the city from the Public Works Director.
(B) Permits issued pursuant to this section shall be granted for a period of one year from the date of issuance but may be revoked for good cause by the Public Works Director.
(`61 Code, § 23A.10) (Ord. 419, passed 2-5-1963)