(1) A public weighmaster shall not weigh a vehicle, or combination of vehicles, when part of the vehicle or connected combination, is not resting fully, completely, and as one (1) entire unit on the scale.
(2) When weighing a combination of vehicles that will not rest fully, completely, and as one (1) complete unit on the scale platform: The combination shall be disconnected and weighed in single drafts; and
(3) The weights of the single drafts may be combined in order to issue a single certificate for the combination; provided, that the certificate indicates that the total represents a combination of single draft weighings.