Sending correspondence

Items that fall under the category of correspondence

Click here for items that fall under the category of correspondence.

Services with which correspondence cannot be sent

Because declaration forms such as documents related to tax payment fall under the category of correspondence, please note that they cannot be sent with the following services. Please use postal item services with which correspondence can be sent.

• Yu-Pack (parcel)
• Yu-Mail
• Yu-Packet
• Click Post

Guidelines on documents that fall under the category of correspondence (website of the Ministry of Internal Affairs and Communications)