Sorry, can someone do a step-by-step thing? I am still having problem envisioning this...

1 - I stay x nights
2 - on the day I check out, I get a receipt and charge the stay to AMEX (for company receipt)
3 - the account is kept open ???
4 - I buy something small
5 - I settle the remaining balance with Visa

If #4 happens before #2, then the whole thing goes on the AMEX. So, I guess it has to happen after #2?

How does #3 happen?

If the entire balance gets onto my Visa card, it becomes a nightmare trying to get it reimbursed by the company. How do I ensure the business portion gets on the AMEX and I have an itemized receipt that shows that also?

Thanks.