If you are an employee -> Pay slip copy.
If you are a pensioner -> Recent pension statement.
If you serve in the Security Forces or the Armed Forces -> Pay slip copy.
If you are a student -> Academic ID, student pass, recent study certificate, or student book.
If you are a farmer -> E3 tax form.
If you are a freelancer -> E3 tax form.
If you are a homemaker -> Affidavit under Law 1599/1986 stating that you engage in household chores.
If you provide services without a fixed address -> Affidavit under Law 1599/1986.
If you are an income earner -> Proof of income source.
If you are unemployed -> Recent unemployment certificate from OAED (Greek Manpower Employment Organization) or affidavit.
If you are not a resident of Greece -> Certificate from relevant public authorities in your country of residence or another document. The document must indicate your profession, professional address, and phone number in the country of residence.