Third party filing starts today for Iowa's state and federal offices. Before that gets going in earnest, let's look at what's changed since the June 8 primary.
The only people who have been able to file since June 8th are Democrats and Republicans nominated at party conventions. The major parties have recruited five House candidates in the interim:
State and federal candidates have till August 13 to file; local candidates file with county auditors from August 2 to 25.