Information included on your service invoices

Been looking at changing my invoice layout. What I am wondering is what
do your invoices have on them?

I currently have

Shop name Logo Invoice number
address Logo NYS DMV number
phone


Customer name Year Make
address Model
phone Vin#
Plate# Mileage

Manufacturers suggested maintainance items based on mileage:

Customer complaint:

MIL status (on) (off)
Code(s) found:

Repairs taken based on codes, complaint, diagnostics.
Hours:
Tech name:

Parts:
Shop supplies:

tax
total
warranty info parts:
warranty info labor:
Invoice# Scannable bar code


So what information do you have that works for you?
--
Steve W.