What Year for Bills Paid at End of December?

[BumbleBee]

I recently paid utility and pest control bills (2018). Some of them will not be received by the companies until Jan 2nd, 2019. What year do I put them...

[cillybean83]

...my biggest bill of the month...i'm scurred...!

[Abigail]

My personal checks just have my name and address. The daycare I'm at has the owner's name, daycare's name beneath it, phone number, then address. I'm...