In a project, we should have the option to mark the task to be completed as some cases organisation does not want to track the timesheet due to the nature of their business model.

This is a typical MS project example. 

Under Review
Ideas Administrator

Hello We are looking to align the capabilties of MS Project Scheduling and PSA scheduling and bring PSA more closer to MS Project so that the 2 project management tools can work more seamlessly together. As part of this effort we will add the ability to finish tasks without time entries.