The business sub type.Sub classification of the business typeType: The business sub type.Match^[0-9A-Z_]+$Length1 <= length <= 255Allowed values"ASSO_TYPE_INCORPORATED"The asso type incorporated. "ASSO_TYPE_NON_INCORPORATED"The asso type non incorporated."GOVT_TYPE_ENTITY"The govt type entity. "GOVT_TYPE_EMANATION"The govt type emanation. "GOVT_TYPE_ESTD_COMM"The govt type estd comm. "GOVT_TYPE_ESTD_FC"The govt type estd fc. "GOVT_TYPE_ESTD_ST_TR"The govt type estd st tr.