Hi Costa
Arturo is rightly said..as these 2 materials are SFG (manufactured Inhouse) not trading materials like raw mat will not come under CCS line...because down below it will break into its original input materials from which this SFG was produced and will roll up to original input materials as per CCS..In itemization the cost will be coming from source that is BOM and Routing and Costing sheet etc..
Let us explain with an example:
SFG1 is manufactured from RM1 & RM 2 (Trading mat)
In itemization of SFG1 2 line items will come one for RM1 and other for RM2
Also you can see CCS line no because RM1 & RM2 are original trading items and posted to CE as consumption as direct materials
Now this SFG is used for FG1 to produce in BOM
Cost of SFG in FG will roll up to RM1 & RM2 for material part and Activity part will go to other CCS attributes through splitting rules..so in itemization you will not see CCS No for the SFG mat..but if any direct raw mat is consumed in FG level..you will see it
So all it happening due to multi level production process and cost rolling to its original element
I think your confusion is clear
Kamal