It is necessary to obtain permission from the Awards & National Symbols section of the Department of the Prime Minister & Cabinet to use the Australian Coat of Arms on a team uniform (or anything else).
The request for permission MUST be submitted by Yachting Australia. Yachting Australia must indicate their support of the request or else permission will not be granted.
Awards & National Symbols reviews each request on a case by case basis and grants permission to those it feels credit the use of the Australian Coat of Arms.
For Yachting Australia to submit a request to Awards & National Symbols, the following conditions need to be met:
To submit a request, the national Class Association should complete the Request for Permission for Use of the Australian Coat of Arms form.
Download form here.
For more information, visit Department of the Prime Minister & Cabinet website