Arizona Secretary of State Michele Reagan is scheduled to approve the official state-wide results of the March 22 presidential preference election at 3 p.m. today at her office in the capitol.
Public outrage ensued over lines of more than five hours after Maricopa County slashed the number of polling places.
Meanwhile, the Bernie Sanders campaign has indicated it is weighing a legal challenge due to voters who may have had their registrations switched to no party affiliation and whose provisional ballots may not have counted.
Sanders' supporters believe he might gain additional delegates to the Democratic convention because many provisional ballots were thrown out in Maricopa County, but any challenge is legally difficult.
Democrat Hillary Clinton and Republican Donald Trump won statewide.
The Associated Press contributed to this report.