A mayor of a municipality (in the case of a designated city under Article 252-19, paragraph (1) of the Local Autonomy Act, the head of a ward or the head of a comprehensive ward) may, for the Minister of Health, Labour and Welfare, or for an insured person, a person who had been an insured person, or a person entitled to receive a benefit, provide, free of charge, certification concerning the family register of an insured person, a person who had been an insured person, or a person entitled to receive a benefit, or a child who falls under the requirements for payment of the survivors' basic pension or for addition to the amount of the disability basic pension or the survivors' basic pension, as specified by the ordinance of that municipality.
市町村長（地方自治法第二百五十二条の十九第一項の指定都市においては、区長又は総合区長とする。）は、厚生労働大臣又は被保険者、被保険者であつた者若しくは受給権者に対して、当該市町村の条例の定めるところにより、被保険者、被保険者であつた者若しくは受給権者又は遺族基礎年金の支給若しくは障害基礎年金若しくは遺族基礎年金の額の加算の要件に該当する子の戸籍に関し、無料で証明を行うことができる。