For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.

CIVIL DEFENSE

Philadelphia Code tit. 21, ch. 21-400
in effect

Philadelphia Code § 21-401 Enforcement.

Philadelphia Code § 21-402 Public Fallout Shelter Licenses or Privileges.

Source: City of Philadelphia, The Philadelphia Code and Home Rule Charter (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/philadelphia/latest/philadelphia_pa/0-0-0-301732Fetched: 10/27/2026