Apply by Fax

1. To Oversize Overmass Permit, the applicant has to approach Heavy Vehicle Services. Contact details are mentioned in “Office Locations & Contacts” of this page. Or use the following given Contact Link
2. An application form is available at the following Application form The applicant has to fill-in all the details in the form.
3. Applicant should make sure to attach all the documents that are mentioned under the “Required Documents” section of this page (Both photocopies and originals).
4. Fax the application and required documents to the appropriate office.
5. Fax address is mentioned in “Office Locations & Contacts” of this page.
6. The fee for this procedure is mentioned under the “Fees” section of this page.
7. Heavy Vehicle Services will issue the certificate and notify the applicant via mail.
8. Please contact Heavy Vehicle Services for further details.

Apply by Email

1. To Oversize Overmass Permit, the applicant has to approach Heavy Vehicle Services. Contact details are mentioned in “Office Locations & Contacts” of this page. Or use the following given Contact Link
2. An application form is available at the following Application form
3. The applicant has to fill-in all the details in the form.
4. Applicant should make sure to attach all the documents that are mentioned under the “Required Documents” section of this page (Both photocopies and originals).
5. Email the application and required documents to the appropriate office.
6. Email address is mentioned in “Office Locations & Contacts” of this page.
7. The fee for this procedure is mentioned under the “Fees” section of this page.
8. Heavy Vehicle Services will issue the certificate and notify the applicant via mail.
9. Please contact Heavy Vehicle Services for further details.

Apply Online

1. The Application is available at the following Application form
2. The Applicant must provide all information necessary for the application procedure online.
3. Applicant should make sure to attach all the documents that are mentioned under the “Required Documents” section of this page (Both photocopies and originals)
4. The fee for this procedure is mentioned under the “Fees” section of this page.
5. Heavy Vehicle Services will issue the certificate and notify the applicant via mail.
6. Please contact Heavy Vehicle Services for further details.

• Application form Application form
• Mass and Axle Details documents (if necessary).

Main office:
Heavy Vehicle Services Main Roads WA
PO Box 374
WELSHPOOL DC
WA 6986
Email: permit.applications@mainroads.wa.gov.au
Fax: (08) 9475 8455
Telephone: 138 486
Contact Link

• All OSOM permission requests for travel within Western Australia.

• The fee of this procedure is $25.

• This procedure's validity, which varies by state, is for a year.

• An application form is available at the following Link

Please attach sample completed documents that would help other people.

• Please contact concern authority for further details.

Videos explaining the procedure or to fill the applications.
Attach videos using the following tag <&video type='website'>video ID|width|height<&/video&> from external 
websites.
Please remove the '&' inside the emptags during implementation.
Website = allocine, blip, dailymotion, facebook, gametrailers, googlevideo, html5, metacafe, myspace, revver,
sevenload, viddler, vimeo, youku, youtube
width = 560, height = 340, Video ID = Can be obtained from the URL of webpage where the video is displayed.
e.gIn the following url 'http://www.youtube.com/watch?v=Y0US7oR_t3M' Video ID is 'Y0US7oR_t3M'.

• Instructions for the procedure Link

• Operator and Contact Details
• Permit Details
• Reasons
• Request to extend Permit
• Vehicle Details
• Load Details
• Travel and Route Details
• Mass and Axle Details
• Payment
• Declaration

• If the applicant's OSOM combination doesn't meet the bulk, dimension, or operating specifications specified in a gazette notice, the applicant should apply for this permit.

• For more information Link

Please explain what are other uses of obtaining this document/certificate.
e.g. Birth Certificate can be used as proof of identity.

Place some external links which might help.

More information which might help people.