Rush with NPC groups???

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I couldn't find what I wanted under a search, and I need some help from local members and national members. Phi Chi is having recruitment next week. I talked to one of my sisters yesterday (I've been out of school for a year) and she said that our new Greek Life Director and the Coordinator are suggesting that we have recruitment with the NPC groups next year.
First of all, I was under the impression that non NPC groups were not allowed to recruit until after NPC. This has been the standing rule on my campus, but evidently all of the NPC sororities here agreed to this.
Second, I can not see this being a good thing for us at all. We have 15 active sisters and a small budget for recruitment. The other sororities average 90+ members, with many being over 100.
What have been some advantages that you have seen? Has this worked on your campus? Why or why not (in your opinion)?

We have ADPi, AOII, DZ, ZTA, Chi O, Alpha Chi and KD. Any ideas of extension have been put on hold for a year or so because of problems with a coupld of the fraternities in conjunction with having a new GL guy. (He wanted to handle those before we opened for expansion.)

The impression that some of my sisters have gotten is that GL is trying to help us get our numbers up because they do want us to affiliate with an NPC group. However, I find this prospect of recruiting alongside nationals quite daunting.

Input please!