Serial Numbers / Sp.Pr.Type 52 Direct prod./ coll. order

Experts,

when I am using Sp.Pr.Type 52 (MRP2) for a serialized material.

The serialization will be ignored by system for sub orders (collective order) or GR in MIGO. If I confiirm last operation of sub order order changes to DLV system do not require a serial number & is not part of equipment structure.

Is this the normal nature of Sp.Pr.Type 52 ?

Thanks in advance

Jörg