EPMS definitely has some bad apple schedulers.
My solution was to go to the corporate website, find the email of EPMS’s VP of Operations* and CC her on correspondence when a scheduler outright lied about an assignment. She is a former shopper and directly oversees the scheduling team. Boom. Problem solved. Got an apology from the scheduler, too, which was good for my soul.
I’ve only done this twice in a dozen years of subcontracting for EPMS over hundreds of assignments. Use sparingly, it’s highly effective.
*No, I’m not going to give you a name or email; if you are motivated enough you can locate this yourself.