Idaho law requires that the owner/operator obtain an overlegal permit or establish intent to obtain an overlegal permit by contacting the Overlegal Permit Office before moving a vehicle on the highways.

The headquarters Overlegal Permit Office is located at the main building of the Transportation Department at 3311 W State St in Boise. An overlegal permit may be obtained by phone, mail, fax, or in person at this office.

101. INFORMATION TO BE FURNISHED BY APPLICANT. Any application for an overlegal permit shall provide for the submittal of all pertinent information required to establish the necessity of the proposed movement and the requisite to an engineering determination of the feasibility of the proposed movement. The following information shall be furnished:

01.	Name. Name of owner, operator, or lessee of vehicle or vehicles concerned.
02.	Description of load. Manufacturer, model number, etc.
03.	Identification of vehicles. License number, if registered, otherwise serial number, unit number.
04.	Weight. Licensed capacity of vehicles subject to registration, if overweight is involved.
05.	Axles. Number of axles, spacing between axles, number and size of tires.
06.	Gross Weight. Gross weight, distribution of weight, overall dimensions.
07.	Route. Point of origin and destination, preferred route by road number.
08.	Start Date. Date of movement and days required.
09.	If House Trailer. License number if privately owned.
10.	Insurance. Evidence of insurance, if required.
11.	Necessity. Necessity for movement.
12.	Special Instructions. Special instructions regarding address to which permit is to be sent and any other pertinent information.
13.	Signature. Signature of applicant.

300. PERMIT FEE ACCOUNT PROCEDURES.

01.	Permit Fee Account. To establish a basis for the issuance of special permits on other than a cash basis, the permittee may guarantee permit fees by posting a surety bond. The bond shall have a minimum value of one thousand dollars ($1,000) or be equal to the value of permits required by the permittee during any three (3) consecutive months, whichever is greater.
02.	Bond Requirements. Surety bonds for this purpose shall be furnished by a bonding or insurance company licensed to do business in Idaho. Applications to establish permit fee accounts shall be obtained from and filed with the Maintenance Section along with the required bond.