Document split of a paymnt doc. for an invoice wit more than 999 line items

Hi all,

my question is . what steps should we take care of in the system, to make the the document Split automatically on a payment document when we post an Invoice with 1001 lines items in it. is it some thing in the config or do we need to update a table or???

any kind of Input would be really appreciable, as i know this would be the same problem with all other clients too. who ever has more than 999 lineitems on their invoices.

thanks in advance

Jay