noun
Specific Administrative Agency
A legal term under the Building Standards Act: a municipality or public body with an appointed building official, responsible for issuing building certifications and enforcing building regulations.
建築確認申請は、特定行政庁に提出しなければならない。
Building confirmation applications must be submitted to the Specific Administrative Agency.
この地域の特定行政庁は市役所の建築指導課です。
The Specific Administrative Agency for this area is the Building Guidance Division of the city hall.
建築主事 is the individual building official appointed by the 特定行政庁, whereas 特定行政庁 refers to the administrative body itself.
Compound of 特定 (specific) + 行政 (administration) + 庁 (agency). A modern legal term with no historical derivation beyond its component kanji.