Invoice Numbering Conditions in VirtualNewspaper

There are 2 conditions that the numbering of an invoice must fulfill
1. they cannot be repeated in the same year 
2. they must be in increasing order

There are 2 conditions that the numbering of an invoice must fulfill

  1. cannot be repeated in the same year 
  2. must be in increasing order

Does the invoice number restart from 1 as the on new year?

YES. Every Jan 1st the invoice counter is restarted by default to 1