Look @Job, a source that's a reddit comment.This isn't about religion, its just dressed up that way. This will allow ALL 501(c)(3) Non-profits to donate to political parties. Right now if a 501(c)(3) non-profit donates to a political campaign then IRS regulations would mandate the removal of their tax exempt status. So, if this goes through. You could create a non-profit, donate money into it tax free, and then have the non-profit donate that money to a political campaign. He's trying to remove the law that closed a loophole to donate unlimited amounts of tax exempt money (donations) into political parties under the guise of standing up for religious freedom.
The Donald J. Trump Foundation is a 501c3