Final bill confusion

[#1]

Hi thanks and yes I got a email stating we have your cancellation request and will start today any idea on the bill ? Thanks

[#2]

The previous bill is how @MisterW explained it, the final bill should generate tomorrow. 

[#3]

Hi on my account its saying the account is closing have been sent another bill but it appears it aint the final bill again

[#4]

It would be the final bill, the negative balance will be refunded automatically within 5 working days, if your Direct Debit Instruction remains active, otherwise we’ll email you instructions on how to claim it.