Tax Declaration - Saliba/WelcomePack GitHub Wiki
First and last tax declaration
On the following year of your arrival in The Netherlands you need to fill a form called form-m. This form is used to inform Dutch government about your previous country and when you moved here.
I've used the service of https://tssolutions.nl/
You can pay € 125- for a single person or € 150- for a couple.
You pay on your first year tax related to the full year but usually you only lived here part of it, therefore you are allowed to receive some money back.
Following years
You can do it online using the Belasting unless you have deductions to do (mortgage for example) then it is recomended to get advices from a tax company.