Donald Trump has not released any of his tax returns, and during his time as governor Pence has never made his returns public.
Holcomb had expected a boost from Pence's $7 million campaign fund, but transferring that money has been complicated by federal rules that now apply to Pence.
Pence said Hillary Clinton’s acceptance speech Thursday at the Democratic national Convention was filled with failed policies.
U.S. Representative Andre Carson spoke at the DNC Wednesday night, saying he has seen Pence’s policies up close.
Federal Election Commission rulings indicate Pence can only transfer donations to Holcomb that comply with federal campaign finance standards.
Holcomb has served as Lieutenant Governor for five months but has never held elected office.
One member of the 22-person committee is still undecided but says electability will weigh heavily on his decision.
Pence said in a statement Friday that he believes Lt. Gov. Eric Holcomb is "one of the best prepared individuals in recent memory" to be governor.
Governor Mike Pence will address the Republican National Convention in Cleveland on the theme "Make America First Again."
Just how much does Mike Pence have in common with Donald Trump when it comes to schools and education?