//SetUnderlyingCreditRating sets UnderlyingCreditRating, Tag 256
func (m OrderMassCancelRequest) SetUnderlyingCreditRating(v string) {
	m.Set(field.NewUnderlyingCreditRating(v))
}
//SetUnderlyingCreditRating sets UnderlyingCreditRating, Tag 256
func (m DerivativeSecurityListRequest) SetUnderlyingCreditRating(v string) {
	m.Set(field.NewUnderlyingCreditRating(v))
}