(2) EMISSIONS TESTS FOR DIESEL VEHICLES THAT MAY INCLUDE
DIRECT EMISSIONS MEASUREMENTS;

(3) EMISSIONS TEST EQUIPMENT;

(4) SUBJECT TO § 23-403 OF THIS SUBTITLE, ESTABLISHING EMISSIONS
TEST PROCEDURES, BASED ON INFORMATION AVAILABLE FROM THE U.S.
ENVIRONMENTAL PROTECTION AGENCY AND INFORMATION REGARDING
STANDARDS ISSUED BY THE SOCIETY OF AUTOMOTIVE! ENGINEERS, THAT PROVIDE
FOR CONDUCTING AN EMISSIONS TEST; AND

(I) WHEN A DIESEL VEHICLE IS REQUIRED TO SUBMIT TO:

1. WEIGHING AND MEASURING UNDER § 24-111 OF THIS

ARTICLE; OR

2. A MOTOR CARRIER SAFETY INSPECTION UNDER § 25-111

OF THIS ARTICLE; AND

(II) AT ANY ROADSIDE LOCATION OR TIME, WHEN A POLICE
OFFICER HAS REASONABLE CAUSE TO BELIEVE THAT AN INDIVIDUAL DIESEL
VEHICLE IS VIOLATING EMISSIONS STANDARDS ESTABLISHED UNDER THIS
SUBTITLE; AND

UNDER § 23-404 OF THIS SUBTITLE.

(5) ESTABLISHING CERTIFICATION REQUIREMENTS FOR EMISSIONS
INSPECTORS.

23-403.

(A) THE OPERATION OF A DIESEL VEHICLE ON ANY HIGHWAY IN THIS STATE
CONSTITUTES THE CONSENT OF THE DRIVER AND OWNER OF THE DIESEL VEHICLE
TO BE SUBJECT TO AN EMISSIONS TEST ESTABLISHED UNDER THIS SUBTITLE.

(B) THE DRIVER OF A DIESEL VEHICLE SHALL OBEY ANY SIGN OR DIRECTION
OF A POLICE OFFICER TO STOP THE DIESEL VEHICLE FOR AN EMISSIONS TEST
ADMINISTERED BY AN EMISSIONS INSPECTOR:

(1) WHEN A DIESEL VEHICLE IS REQUIRED TO SUBMIT TO:

(I) WEIGHING AND MEASURING UNDER § 24-111 OF THIS ARTICLE;

OR

(II) A MOTOR CARRIER SAFETY INSPECTION UNDER § 25-111 OF
THIS ARTICLE; OR

(2) AT ANY LOCATION OR TIME, WHEN A POLICE OFFICER HAS
REASONABLE CAUSE TO BELIEVE THAT AN INDIVIDUAL DIESEL VEHICLE IS
VIOLATING EMISSIONS STANDARDS ESTABLISHED UNDER THIS SUBTITLE.