The operator must perform the test according to the policies and procedures approved by the state toxicologist, using the following test protocol:

(1) The operator will advise the subject that this is a voluntary test, and that it is not an alternative to any evidential breath alcohol test.

(2) The operator will determine by observation or inquiry, that the subject has not consumed any alcohol in the fifteen minutes prior to administering the test. If the subject has consumed alcohol during that period, the officer should not administer the screening test for probable cause purposes until fifteen minutes have passed. If the subject responds that they have not consumed any alcohol in the last fifteen minutes, the officer may offer the subject the opportunity to provide a breath sample into the PBT instrument.

(3) Ensure a blank test result is obtained.

(4) Have the subject exhale into the mouthpiece with a full and continuous exhalation.

(5) Observe the results.