The rules that use the category "<det-not_other-not_indef-pl>" are:
<det-not_other-not_indef-pl> <call_sign_prefix> units
<det-not_other-not_indef-pl> <call_sign_prefix> units <except> <unit-not_except>
<det-not_other-not_indef-pl> <call_sign_prefix> units
<det-not_other-not_indef-pl> <call_sign_prefix> units <except> <unit-not_except>