Thank you everyone for the responses. It seems like responses so far are saying one ICD for each side of the interface. I work for a large aerospace & defense company, and at least one of our well established programs uses two-sided interface control drawings, and I'm having a difficult time...
I'm trying to figure out if our team should use one-sided or two-sided interface control drawings for co-functioning assemblies that are being designed concurrently be separate teams/subcontractors. ASME Y14.24 - 2012 says that "each interface type may be described in a separate interface...