Deadline extended to November
The public are being urged to submit their tax returns as soon as possible if they want to receive a rebate before Christmas.
Around 21,000 people have yet to send the form.
The deadline was extended until 6 November over concerns about the effects of the pandemic.
Gerard Higgins is from the Treasury's tax division:
Island to fall silent to mark Victory over Japan Day
Commemorative services planned for 80th anniversary of the end of WWII
New Manx Grand Prix schedule for 2025 'a relief', says supporters club
Expanded 12-day programme getting underway this weekend
Fire service warns ground is tinder dry after tackling two grass fires
Crews deal with incidents at Keristal and Cregneash
Worries about number of clearance places not a concern at one Manx school
QEII High School says the vast majority of students got into their first or second choice universities