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An envelope, for sending the application form(s), which is past the valid period for sending can be used as it is.

An envelope for sending the application form(s) for Individual Number Card (return envelope), which is sent with the “notification card” and the “application form for issuance of the Individual Number Card” can be used as it is without affixing a postal stamp until May 31, 2019, even if the valid period for sending shows October 4, 2017.

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