Okla. Stat. tit. 27A, § 27A-2-6-801

A. All persons before engaging in the cleaning or pumping of

septic tanks or holding tanks and disposing of sewage or septage

taken therefrom shall first obtain a license which shall be issued

by the Department under such rules as may be promulgated by the

Board. Such license shall be issued and may be revoked contingent

upon compliance or failure to comply with the provisions of this

section and rules promulgated pursuant thereto. The rules shall

include but not be limited to the following:

1. A requirement that an annual fee as set by the Board

pursuant to Section 2-3-402 of this title be paid to the Department

for each license;

2. A requirement that each vehicle shall include an enclosed

watertight tank with adequate pump and hose facilities in such

condition that no sewage may spill or leak while in transit;

3. The registration of each vehicle used in the business by

model, make, owner and license number;

4. A requirement that a permit or written approval shall be

secured by the license holder from the appropriate city or town or

from the Department's local representative in the area of operation,

which designates the place and method of final disposal of the

sewage or septage;

5. A requirement that no license shall be issued or renewed

under the provisions of this section until said applicant complies

with the rules of the Board regarding the cleaning and pumping of

septic tanks and holding tanks and the disposal of sewage or septage

taken therefrom; and

6. Requirements and standards for the beneficial use or

disposal of the sewage or septage and provisions necessary to

implement any applicable federal requirements.

Oklahoma Statutes - Title 27A. Environment and Natural Resources Page 162

B. Nothing in this section shall limit the authority of a city

or town to prescribe regulations to collect additional fees related

to the cleaning of septic tanks or holding tanks and the disposal of

sewage or septage therefrom.