Okla. Stat. tit. 59, § 59-1454: Minimum instrumentation requirements

Any instrument used to test or question individuals for the

purpose of detecting deception or verifying truth of statements

shall record visually, permanently and simultaneously:

1. a subject's cardiovascular pattern,

2. a subject's respiratory pattern, and

3. galvanic skin response pattern.

Patterns of other physiological changes in addition to 1, 2 and 3

may also be recorded. The use of any instrument or device to detect

deception or to verify truth of statements which does not meet these

minimum instrumentation requirements is hereby prohibited and the

operation or use of such equipment shall be subject to penalties and

may be enjoined in the manner hereinafter provided.