noun which may take the genitive case particle 'no'
administrative; from an administrative standpoint
Used as a no-adjective to describe matters related to administration, governance, or official procedures. Often appears in formal or legal contexts.
See also: 上 (じょう)
Administrative procedures are required.
This matter is left to an administrative decision.
法律上 means 'legal' or 'from a legal standpoint', following the same 〜上 pattern as 行政上.
Compound of 行政 (ぎょうせい, 'administration') and the suffix 上 (じょう, 'from the standpoint of'). The suffix 上 is productive and attaches to nouns to form no-adjectives indicating a perspective or domain.