THE annual tax filing season started today but most people will not have to move a muscle as they come under the taxman's no-filing service.

The system began in 2007 with just 45,000 users but has grown to cover more than 1.1 million people this year, covering about 60 per cent of Singapore's 1.92 million taxpayers.

Under the no-filing service, taxpayers who have been told that they are eligible for the no-filing system will not need to file a return.

They will need to file only if they have additional income to declare or changes to make to personal reliefs.

The other 40 per cent of taxpayers who are not on the service will have to file their taxes at the Inland Revenue Authority of Singapore (Iras) website by April 18.