Noncritical bug found in class TaxSpec in Dynamics AX2009 SP1. The method taxExemptDescription uses a returntype of Description ( 60 char), but returned variable is of type Memo / Notes. You’ll will always get the first 60 character of the defined text. Description taxExemptDescription() { return taxExemptDescription; } change to: Notes taxExemptDescription() { return taxExemptDescription; [...]