Let me see if I get this right. I just got my new 2011 NEC Analysis of the 2011 and under sec. 110.24 you are going to be required to field mark the Available Fault Current at the service equipment.
OK, that sounds safe, but do you think it would really work? What will happen if the POCO changes out transformers on the street a week or two later? Will they come into the building and remark the service equipment?

I am not trying to be a bad boy or anything, just trying to play devils advocate and trying to see things through in the real world.