Acknowledgment Letter For The Invoice Received

To,

[Client name]

Dear [Name], 

I would like to inform you that I have received the invoice for my order number [enter order number/name]. I am presently examining it, and I will get back to you if I find any discrepancies. However, the invoice seems to be in line with the order discussed. 

I would like to thank you for your prompt response, and I will connect with you if I face any difficulty. 

Sincerely, 

[Your name]