Most used forms to be filled:
Customs Declaration/Sender’s Declaration CN 22 – This form is used for the international items except parcels having the value of the contents not exceeded US$ 400 or € 425. Items must contain one or more goods and may not weigh more than 4.4 lbs or 2 kg (for books, the mail item may not weigh more than 11 lbs or 5 kg).
Customs Declaration and Dispatch Note CP 72 – This form is used for the international parcel items having the value of the contents exceed US$ 400 or € 425.
Return receipt CN 07 – This form is used for the international items for delivery confirmation in an old fashioned way.
The forms courtesy of UPU
All forms are void! Do not use!