The COVID-19 Disaster Payment is a lump sum payment to help workers who lose work due to a COVID19 state public health order.

Eligible workers in Katherine can claim $750 a week if they have lost 20 or more hours of work and $450 a week if they have lost between eight and 20 hours of work.

The payments are not taxed.

It comes as the federal Acting Chief Medical Officer Dr Sonya Bennett extended the hotspot for the purposes of Commonwealth support for the Municipality of Katherine, and Robinson River and surrounding homelands, until 11:59 pm Wednesday.

Read more on the Katherine lockdown:

NT Chief Minister Michael Gunner announced on Tuesday that the lockdown in Katherine would continue until December 4, with the potential to move into a lockout before then.

Senator for the Northern Territory Sam McMahon the financial support payments can be backdated to the start of the lockdown period if they had previously not been claimed.

"People currently receiving an income support payment can also claim a payment of $200 if they have lost 8 hours or more of work, or a full day's work, and meet other eligibility requirements," she said.

"The quickest and easiest way to claim the COVID-19 Disaster Payment is online through myGov. Over 94% of claims have been made this way."

For more information, visit the Services Australia website.

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