A tricycle-for-hire is a motor vehicle composed of motorcycle fitted with a  single wheel sidecar or a motorcycle with a two wheel rear cab. The former having a total of three wheels, which is operated to render transport services to the general public for a fee.

Motorized Tricycle Operator’s Permit or MTOP, is the franchise document  or license to operate issued to a person, natural or  judicial, allowing him to operate a tricycle service over areas or zones specified therein.

A zone is a contiguous land area or block, subdivision or barangay, where a tricycle may operate without a fixed origin and destination.