official copy of the family register
市役所で戸籍謄本を受け取った。
I received an official copy of the family register at the city hall.
結婚手続きのため、戸籍謄本を役所に提出した。
I submitted an official copy of the family register to the office for marriage procedures.
留学ビザの申請で、戸籍謄本の提出を求められた。
For the study abroad visa application, I was asked to submit an official copy of the family register.