Christian Liberals & Progressive People of Faith

...they can print and distribute all the issues-related pamphlets they wish. However, once partisan politics, i.e. - specific candidates or endorsing a political part, are brought into the fray, the organization risks its tax exempt status.

That's why the faith-based soup kitchen at which Congressman Ryan decided to show up unannounced to wet a few pots made such a stink - it could have been seen as an inviotation by the church and therefore an endorsement of the GOP (unless VP Biden was invited to do the same).