What information do you need before approving an invoice?

Confirmation from the Authority.

it should have , invoice no. date, P.O no., vat, tin no., these are the main information one should check before approving an invoice

quotation
purchase order
inward at ware house
credit period
any advance is to be verified
process for payment
bill to be booked after confirmation from Purchase Head
payment to be advised
payment to be released

I think before approving invoice following points to be check.

1) Invoice should be according to PO. Like qty, PO amount, items & the term of payments.

2) Credit Limit of Party

3) Any Old outstanding with party must be recovered first if it has crossed its credit limit.

4) Tin No. of both party seller & purchase must be printed on invoice in case of registered dealer.

5) Vat to be checked it is charged on the rate currently applicable on the nature of goods.

Before approval of invoice, we need to check the Quantity, and condition of the goods, payment terms, prices, etc

Before approving invoice following points to be check. 1. Customer or Party name 2. Invoice no. , invoice date & invoice amount 3. Purchase order & quantity 4. Bank details of Customer and parties to which money transfer 5. Payment mode 6. Currency type 7. Country and 8. Authorized by the responsible person