Thank you everybody for the tips! I figured out the solution and now it is working properly. Since these are assets that will be widely promoted across different channels, I just moved them to Design Studio as global assets. I had already set up hidden fields on the form to pass on source info through URL parameters, so now that the assets aren't housed under a local channel program, the system is correctly placing members in the rightful program and rightfully marking acquisition info (if they are new).
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