Hvis en værdi skal angives som negativ, skal der i transmissionen umiddelbart foranstilles et minustegn, f.eks. -112.
Although conceptually a deduction is negative, it shall be represented by a positive value and such cases shall be indicated in the data elements directory. lf a value is to be indicated as negative, it shall in transmission be immediately preceded by a minus sign, e.g. -112.