OK, what I will do:
I make one .LIC file including:
1 PACKAGE+INCREMENT part for 12 NLM 2011
1 PACKAGE+INCREMENT part for 5 NLM 2011 (we have 2 NLM package 12+5 for 2011)
1 INCREMENT part for 12 NLM 2007 (we have 1 NLM 12 for 2007)
Will this work?
Marco