: by agency : by the authority of an agent : by proxy.
How do you use per procurationem?
A common usage of per procurationem in the English-speaking world occurs in business letters, which are often signed on behalf of another person. For example, given a secretary authorized to sign a letter on behalf of the president of a company, the signature takes the form: p.p. Secretary's Signature. President's Name.
What is a per signature?
Per refers to the person who actually signed the contract if it was done on behalf of the person whose name appears on the document.