column shift against SP artillery for firing?

[tlangston28]

Hi all,

I know that standard artillery pieces are subject to a +1 column shift when being fired on by Bombardment and +2 when direct fire.   Does this also apply to SP artillery with or without armor values?

The situation: We are currently playing Teploe Tango (Kursk BT #15) and the Soviet Guards BM-8 is wheeled artillery and the German piece (SK251/2 i believe) is a Self-propelled Mortar.  are these units susceptible to the column shifts or not?  I think the mortar is considered Self-propelled artillery but has an armor value of 0.  The BM-8 has no armor value and is considered -1 for AT fire.  

The charts say "Artillery" and "Mortar" so I am assuming that they do and we played it that way but would like confirmation.

Thanks!