What are the due dates and payment dates for IBM invoices?
Invoices are due and payable upon receipt of IBM invoice, as detailed in the IBM Customer Agreement. In the case of quarterly invoicing (e.g. as with certain software license charges and maintenance charges), invoices are issued at the beginning of the quarter and due and payable upon receipt of invoice. Late payment charges may apply if payment is not received by IBM within 30 days from the date of invoice or in the case of quarterly invoicing within 60 days from the date of the invoice.