What does it mean by Fiscal Year?

The Alberta Tax and Revenue Administration is asking for what fiscal year you looking to pay.

They would like for you to submit it in this format DDMMYYY.

Examples are:

2015 tax year is 31122015

2016 tax year is 31122016

2017 tax year is 31122017

2018 tax year is 31122018

Please do not use spaces, dashes or any other special character when entering.