Subject: Letter of Authorization for (mention topic)
To whom it may concern:
We, the undersigned, hereby authorize (mention name of person, company or organisation) to act on our behalf in all manners related to the application for equipment authorization (state any other subject for which authorization is given), including signing of all documents directly concerned with this topic, and conduct all business or related transactions referring to these matters. We also authorize (mention name of person or company) to conduct banking transactions on our behalf and he may be allowed to receive money from our account.
Any and all acts carried out by (name of person, company or organisation) on our behalf are going to have the same effect as acts of our own.
This authorization is valid from (mention date) until further written notice from (your name or name of the company).