The FEC opinion came after two key PACs with ties to congressional Democrats made their pitch.
The DSCC outraised the NRSC by $1.6 million last month.
Trump has 39 percent support in the Fox News poll, more than double his next competitor.
The provision would eliminate caps on the amount of cash parties can spend in coordination with candidates.
Roughly 301,000 women have donated to Sanders's campaign compared to 240,000 for Clinton.
Fred Malek said he hopes David Vitter's loss teaches Republicans a lesson.
Critics of the system will speak to the Democracy Alliance on Friday morning.
The independent help from a nurses union does not contradict Sanders's message, an aide said.
The network continued a pattern of spending that rises and falls dramatically with the campaign cycles.
Emanuel Yekutiel had served as a key fundraising liaison with the tech sector.