Is this paragraph grammatically correct? Urgent. Please help?

Dear Sir/Madam,

As per our telephone conversation, I am sending you a copy of my bank statement. You will find that it includes the dates October 16 through October 26 and clearly shows that I have not yet received the refund.

I hereby formally request that you take immediate action to credit the refund back to my bank account as it has been more than 10 days. If I do not see the refund appear in my account within 5 business days from the date of this letter, be advised that I will be forced to pursue legal action against you.

If you have questions or concerns or if you wish to discuss this matter further with me, you may contact me by telephone at #######.

Sincerely,

/s/

First Name Last Name

No, it's not. Try:-

Dear Sir/ Madam,

In confirmation of our telephone conversation I enclose a copy of my Bank Statement or the period 16th October to 26th October. The statement clearly shows that I have still not received my refund. Since 10 days has now elapsed I require you make the refund to my bank account immediately. Should this not be initiated I shall have no alternative but to consider taking legal action against you.

please find attached a copy of my bank statement dated 16th to 26th october which shows i have not received the refund as of today. please initiate the refund immediately. otherwise i will be approaching the courts to seek an appropriate solution to the fraud inflicted by your company.