Section 6. Conduct of Field Sobriety, Chemical and Confirmatory Tests. –

A law enforcement officer who has probable cause to believe that a person is driving under the influence of alcohol, dangerous drugs and/or other similar substances by apparent indications and manifestations, including overspeeding, weaving, lane straddling, sudden stops, swerving, poor coordination or the evident smell of alcohol in a person’s breath or signs of use of dangerous drugs and other similar substances, shall conduct field sobriety tests.

If the driver fails in the sobriety tests, it shall be the duty of the law enforcement officer to implement the mandatory determination of the driver’s blood alcohol concentration level through the use of a breath analyzer or similar measuring instrument.

If the law enforcement officer has probable cause to believe that a person is driving under the influence of dangerous drugs and/or other similar substances, it shall be the duty of the law enforcement officer to bring the driver to the nearest police station to be subjected to a drug screening test and, if necessary, a drug confirmatory test as mandated under Republic Act No. 9165.

Law enforcement officers and deputized local traffic enforcement officers shall be responsible in implementing this section.