A sweeping election-reform bill that would allow voters to register until just before Election Day 2010 is likely to be filed as soon as next week, The Denver Post reports.

If the bill became law, Colorado voters could register up to the Friday before the Nov. 2 general election this year. By 2012, Coloradans could register and vote on the same day, as the bill is currently written, Douglas County Clerk and Recorder Jack Arrowsmith said.

Advocates say allowing same- day registration will open the door to greater voter turnout, while Republicans see an attempt to bolster Democratic voter ranks ahead of an important election.