The recipient's name, address and postal code are written on the right of the center of the envelope, and the sender's name, address and postal code are written in the upper left corner.
The writing order is as follows:
First line: Name or trade name.
Second line: House number, alley, lane and street/road name.
Third line: Town/township, city/county, postal code.
Fourth line: Name of country.
Example: (as shown in the illustration below)
“P.O. Box” translation, as shown in illustration below: