AS: After shipment (based on ship date on equipment list/major tag)
BS: Before shipment (based on ship date on equipment list/major tag)
AO: After order (based on order date on setup>main)
ARAD: After receipt of approved Drawings (based on ARAD date on setup>main)
AM: After milestone (based on milestone date on equipment list/major tag)
BM: Before milestone (based on milestone date on equipment list/major tag)
NA: Not applicable (initial due date will be left blank)
AC: (found in stages) After Completion of the Previous Stage