Okla. Stat. tit. 27A, § 27A-2-11-503

A. No person shall distribute, receive for sale or offer for

sale in this state any plastic bottle or rigid plastic container

unless such container is labeled with a code identifying the

appropriate resin type used to produce the structure of the

container.

B. The code shall consist of a number placed within three

triangulated arrows and letters placed below the triangle of arrows.

The triangulated arrows shall be equilateral, formed by three arrows

with the apex of each point of the triangle at the midpoint of each

arrow, rounded with a short radius. The pointer (arrowhead) of each

arrow shall be at the midpoint of each side of the triangle with a

short gap separating the pointer from the base of the adjacent

arrow. The triangle, formed by the three arrows curved at their

midpoints shall depict a clockwise path around the code number. The

numbers and letters used shall be as follows:

1. = PETE (polyethylene terephthalate);

2. = HDPE (high density polyethylene);

3. = V (vinyl);

Oklahoma Statutes - Title 27A. Environment and Natural Resources Page 288

4. = LDPE (low density polyethylene);

5. = PP (polypropylene);

6. = PS (polystyrene);

7. = OTHER.

C. The Department shall maintain a list of the label codes

provided in subsection B of this section and shall provide a copy of

that list to any person upon request.

D. The Board may promulgate by rule a different plastic

container labeling system than the one specified in this statute if

there is any change in the nationally recognized standard codified

herein.

E. Any person convicted of violating the provisions of the

Plastic Container Labeling Act shall be guilty of a misdemeanor.