What are the simple personal income certificates?

A simple personal income certificate includes the following contents:

Personal income certificate 1

This is to certify that xxx, whose ID number is _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.

Personal income certificate II

This is to certify that _ _ _ _ _ _ _ _ _ is an employee of our company, has worked in our company for _ _ _ _ years continuously, graduated from _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _. In the past year, the employee's annual/monthly average income in our company was (after tax) _ _ _ _ _ _ _ _ _ _ (in words: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _).

Personal income certificate 3

I have a name of _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _