Ark. Code Ann. § 15-75-310: Class four permit

The holder of a class four permit:

(1) May sell and install liquefied petroleum gas equipment used on internal combustion engines, permanently mounted on mobile equipment only;

(2) May not deliver liquefied petroleum gas;

(3) May not sell or install any other type of containers or appliances;

(4) Must comply with all applicable requirements; and

(5) Must pay an annual permit fee in the sum of fifty dollars ($50.00).