If you would like to authorize someone to collect your salary on your behalf, here is a sample template you can use to write an authorization letter to get your salary.
Subject: Authorization to Get Salary
I, hereby, authorize [Name] to receive my salary from the company’s finance department I am working with named [Company name]. This is because I will not be available to collect my salary as [Mention reason]. This letter is valid only from [start date] to [End Date].
I am enclosing my details for your reference.
Please hand over my salary to the authorized person without fail. In case you have any doubt regarding this authorization letter, kindly reach me at [Email/contact number]