How do I Apply checkbox reset to only one sheet

I am trying to use the below script to automatically change checkboxes to false. It works fine but.... I now need to apply this ONLY to the sheet titled 'TASKS', and not to any others within the spreadhsheet.

Can anyone assist? image - https://i.stack.imgur.com/2cUzh.jpg

***this is also my first ever javascript attempt. previous to this, i did some myspace tamporing 15 - 20 years ago