1. has an extension [boom extension] that is greater than 1 meter in front of the vehicle or greater than 2 meters at the rear of the vehicle, or
   
2. is higher than 4.15 meters (13 feet, 6 inches) [which is the standard legal height across Canada, except for Prince Edward Island], or
   
3. is wider than 2.6 meters (102 inches), or
   
4. is longer than 23 meters (75 feet).

For more information, see Weights and Dimensions of Vehicles Regulations - http://novascotia.ca/just/regulations/regs/mvwd.htm .

Applications for these Permits are normally received by fax, but you can apply in writing to:
Business Registration Unit
Service Nova Scotia
P.O. Box 1529
Halifax, NS  B3J 2Y4
Canada

1. Name of the company or individual and contact information (for initial setup);
2. Fax and Phone Number;
3. Master Number (Nova Scotia Carrier Number) for initial setup, National Safety Code Number for out of province registered vehicles and "DOT" number for out of country registered vehicles;
4. Plate number of the vehicle and configuration;
5. Trailer plate number;
   
6. Type of load:  Over-dimension: Height / width / length of load.
7. Registered weight;
8. Axle spreads (in groups) and weights;
9. Start and end points of trip;
10. Commodity (what is being transported);
11. Indicate if an Annual Special Move Permit is in effect;
12. Date(s) the permit will be needed; and
13. Visa, MasterCard or American Express number, expiry date andname of cardholder, as it appears on the card.

If approved, the permit is sent by fax to the applicant, unless a specific request is made to have the permit mailed.
 

SMP Online Self-Serve permits can be applied for and printed by the carrier within minutes.

Applications received by phone, fax, and mail are normally processed within 1 business day of being received. Some applications may take longer, depending on their complexity. For instance, a special circumstance permit (for dimensions over 5.5 meters width, 30 meter length or 4.8 meters height) requires Department of Transportation and Infrastructure Renewal approvals, and is normally processed within 7 business days. Permits requested with a width greater than 7.9 meters may require 10 business days for approval.
 

The price of this permit varies, depending upon how many over-size factors are involved. 

Boom Extension: Annual = $15

Over-height:
Greater than 4.15 metres to 4.27 metres: Single-trip = $19.85 / Annual = $133.25
Greater than 4.27 metres: Single-trip = $33.10 / Annual = $133.25

Over-length:
Greater than 23.00 metres to 25.00 meters: Single-trip = $19.85 / Annual = $133.25
Greater than 25.00 metres to 30.00 metres: Single-trip = $26.10 / Annual = $133.25
Greater than 30.00 metres: Single-trip = $33.10

Front Overhang:
Greater than 1.00 metres: Single-trip = $3.50 / Annual = $19.85

Rear Overhang:
Greater than 2.00-3.05 (m): Single-trip = $13.20 / Annual = $133.25
Greater than 3.05-5.00 (m): Single-trip = $19.85 / Annual = $133.25
Greater than 5.00: Single-trip = $33.10 / Annual = $133.25

Methods of Payment:

Payment by Mail: Cheque, Money Order, Visa, MasterCard or American Express
Payment by Telephone or Fax: Visa, MasterCard or American Express
 

Motor Vehicle Act, Revised Statutes of Nova Scotia, 1989, Chapter 293, Section 191.

Weights and Dimensions of Vehicles Regulations, made under Section 191 of the Motor Vehicle Act.