YOU SAID:

i received a certified letter requesting that i call

INTO JAPANESE

電話をかけることを要求する証明書を受け取りました

BACK INTO ENGLISH

I received a certificate requesting to make a call

INTO JAPANESE

電話をかけるための証明書を受け取りました

BACK INTO ENGLISH

I received a certificate to make a call

INTO JAPANESE

電話をかけるための証明書を受け取りました

BACK INTO ENGLISH

I received a certificate to make a call