回複：回複：回複：問LP的排期

if CP, her PD is current based on DOS field manual on following to join case, that means consulate can issue her immigrant visa as if visa number is always current. However, filing I-485 with USCIS normally still will be subject to your EB2 PD, because her case will be considered (although not really) accompanying case, just like all the I-485 acompanying derivatives.