4 U.S.C. § 119 - U.S. Code - Unannotated Title 4. Flag and Seal, Seat of Government, and the States § 119. Electronic databases for nationwide standard numeric jurisdictional codes

(2) Format.--(A) Such electronic database, whether provided by the State or the designated database provider, shall be provided in a format approved by the American National Standards Institute's Accredited Standards Committee X12, that, allowing for de minimis deviations, designates for each street address in the State, including to the extent practicable, any multiple postal street addresses applicable to one street location, the appropriate taxing jurisdictions, and the appropriate code for each taxing jurisdiction, for each level of taxing jurisdiction, identified by one nationwide standard numeric code.

(B) Such electronic database shall also provide the appropriate code for each street address with respect to political subdivisions which are not taxing jurisdictions when reasonably needed to determine the proper taxing jurisdiction.

(C) The nationwide standard numeric codes shall contain the same number of numeric digits with each digit or combination of digits referring to the same level of taxing jurisdiction throughout the United States using a format similar to FIPS 55-3 or other appropriate standard approved by the Federation of Tax Administrators and the Multistate Tax Commission, or their successors. Each address shall be provided in standard postal format.