как добавить КПП в счет-фактуру через Oracle Report Builder : Oracle

function CF_BUYER_INNFormula return CHAR is
s   varchar2(50) := 'ИНН/КПП покупателя: ';
res varchar2(1000);
begin
	if nvl(:CF_Goods_in,0) > 0 then
		select INN
		into res from supermag.smclientinfo   
		where id=:CF_Goods_in;

select KPP
		into res from supermag.smclientinfo   
		where id=:CF_Goods_in;

if nvl(:CF_Goods_in,0) > 0 then
		select INN || decode(kpp, null,'', '/' || kpp)
		into res from supermag.smclientinfo   
		where id=:CF_Goods_in;