It also said telephone support was available for those who encounter difficulties, along with online guidance and how to videos.
There are two ways to file your return, and the tax office says 12,000 islanders have already submitted an online form, while 12,500 have filed a paper return.
As well as avoiding stress closer to the deadline, and potential late fees, it said early returns also “ensure ITIS rates can be updated in good time”.
The Income Tax Instalment System (ITIS) rate is the percentage of your income that an employer deducts each month and sends to Revenue Jersey and is based on estimated income and tax for the year.
