Invoice And Credit Note Show Goods From Different LC

[MIA19]

Dear all,
if we receive documents containing invoice and credit note which is referring to some goods from another l/c or completly different job, requiring reduced payment fot the amount of that credit note, can we say it is discrepancy that credit note is not referring to goods required by l/c terms.
I am aware that invoice can show discounts, but not discounts for some other goods, and I know that documents not required by the credit may be disregarded, but than can not be taken as basis for reduced payment.
thanks
regards

[picant]

I have this notw:

Invoice showing a deduction not mentioned in the credit
Question raised: 25/04/2015 LC does not state that any discounts/deductions are permitted. However, invoice evidences x amount less credit note amount. The net and gross invoice value are within the LC value. Is this a discrepancy?
ISBP 745, paragraph C7 states that an invoice may indicate a deduction covering advance payment, discount, etc., that is not stated in the credit.
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Other comments appreciated
Ciao

[MIA19]

Dear Picant,
thank you for your reply.
But anyway, paragraph C7 an an invoice may indicate a deduction covering advance payment, discount, etc., that is not stated in the credit... does that mean that it advance, discount,... can refer to some other goods outside of this particular l/c
regards
Snježana