How to restrict calendar selections in an Expense Report form only to the date of response and past dates?

How to restrict calendar selections in an Expense Report form only to the date of response and past dates?

Assume the Date of Response is 09-06-2023, and you only want to enable this date and the previous dates from it.

1. Drag and drop a Date field on your form builder.
   
2. In the Properties of the Date field, from the Allowed Dates dropdown, select Past Dates. 
   
3. To include the date of form submission along with the Past Dates in the calendar, select Include Date of Response.