Post Code of Client's Residence. Maximum length 4 characters. 

This is the AVETMISS 6 format field, shown at the top of the address page in the Personal Wizard. The corresponding AVETMISS 7 format field at the bottom of the address page in the Personal Wizard is in UsualAddress.Postcode. 

You should use the UsualAddress.Postcode field in preference to this field. This field may be removed in a future API version.

public string Clie_RPCode;