Payment Liability against feed for transactions sent by Corporate card issuer

Hi,

Once a corporate card issuer sends feed with transactions (Say: Feed for 100 transactions)

Consider a scenario out of these 100, overall only 70 transactions have been indicated as business expenses by employees in their respective expense reports.

However, it seems business is liable to make a payment for all 100 transactions as due date remains the same

What shall be the course of action for remaining 30 transaction lines which are not been reconciled by employee in an expense report.

Thanks