The prefecture, every three years, must inspect, analyze and evaluate the particulars listed in Article 30-4, paragraph (2), items (vi), (x)-2 and (xi), and, out of the particulars listed in the following items, those relating to the particulars listed in items (vi), (x)-2 and (xi) of that paragraph and other particulars specified by an Order of the Ministry of Health, Labour and Welfare (referred to as "specified particulars" in the following paragraph), and is to revise the medical care plan of the relevant prefecture when it finds it necessary:
particulars listed in each item of Article 30-4, paragraph (2) (excluding items (vi), (x)-2 and (xi)); and
if the medical care plan stipulates the particulars listed in each item of Article 30-4, paragraph (3), particulars listed in the relevant items.
The prefecture, every six years, inspect, is to analyze and evaluate the particulars listed in each item of the preceding paragraph (excluding specified particulars), and is to revise the medical care plan of the relevant prefecture when it finds it necessary.
Read this with the articles around it