From a wide-area or medical specialist perspective, in order to ensure the proper implementation of insurance benefits by the Municipalities within the prefecture and to properly provide subsidies for national health insurance benefit expenses, etc., a prefecture may, as provided by Order of the Ministry of Health, Labour and Welfare, request the Municipalities within that prefecture to provide the claims made by health insurance-covered medical institutions, etc. pursuant to Article 45, paragraph (4) (including as applied mutatis mutandis pursuant to Article 52, paragraph (6), Article 52-2, paragraph (3) and Article 53, paragraph (3)), the claims made by designated home-nursing providers pursuant to Article 54-2, paragraph (9) and other information relating to the review and payment of insurance benefits by those Municipalities (including, where a Municipality has entrusted its affairs concerning insurance benefits to a Federation of National Health Insurance Associations or the organization (referred to as a "case of entrustment of affairs" in the following Article), information held by the Federation of National Health Insurance Associations or the organization with respect to the entrusted affairs).
都道府県は、広域的又は医療に関する専門的な見地から、当該都道府県内の市町村による保険給付の適正な実施を確保し、国民健康保険保険給付費等交付金を適正に交付するため、厚生労働省令で定めるところにより、当該都道府県内の市町村に対し、保険医療機関等が第四十五条第四項（第五十二条第六項、第五十二条の二第三項及び第五十三条第三項において準用する場合を含む。）の規定により行つた請求及び指定訪問看護事業者が第五十四条の二第九項の規定により行つた請求その他の当該市町村による保険給付の審査及び支払に係る情報（当該市町村が、その保険給付に関する事務を国民健康保険団体連合会又は機構に委託した場合（次条において「事務委託の場合」という。）にあつては、当該委託された事務に関し、国民健康保険団体連合会又は機構が保有する情報を含む。）の提供を求めることができる。
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