Can credit-card statements be used as parking meter receipts for client visits?

I'm a small business owner (LLC), with a home office.  One of my long-term clients requires me to be onsite at least a few days out of the week and does not reimburse mileage and parking. I have a letter from the client stating the former but the only parking option are meters.  At first didn't think I could deduct the parking because the meters don't provide receipts, but I thought I'd get some advice.  

Can my credit card statements showing the charges be used as a receipt?  The meter charge dates will line up with my mileage log one-to-one.