AR SB420

Requires precinct alteration orders to include a written description, printed map, digital map in a format prescribed by the Arkansas Geographic Information Systems Office, and numerical codes for each precinct

Establishes a six-digit numeric precinct code system where the first three digits are the Federal Information Processing Series county location code and the last three digits are designated by the county board of election commissioners, using sequential numbering from northwest to southeast

Requires precincts to be contiguous, compact, easily identifiable to voters, and easy to locate on maps, with specific definitions for contiguous boundaries including use of major roads, railways, or water body edges

Mandates county election boards transmit election results by precinct using the six-digit numeric code to the Secretary of State through an election night reporting interface as results are tabulated on election night

Requires all county boards of election commissioners to establish all precinct boundaries and designate precincts using the six-digit numeric code system before the general election in 2028