Abmeldung
Abmeldung is the de-registration certificate which one gets from RatHaus while leaving Germany.
Versicherungsnummer
Versicherungsnummer refers to the insurance number. This 12 digit Alphanumeric number is mentioned in the salary statement.
Passport Copy
The copy of the Passport Identification page needs to be submitted to the Finanzamt for the social security refund application.
Bank Details
Details of German bank account(Konto-Nr, BLZ, IBAN, BIC) to be provided for tax refund. In case you don’t hold German Bank account, provide Indian account details.