That was exactly what I was after.
"You can see the return button with enter time right only. "
If you don't you cannot return it. Enter time is the lowest right. Do you have that or do you just have navigate right?
Another possible reason could that the time period has been closed in the mean time, but the you would need approve time rights.
The screen shot is from v12.1 (sandbox) What is you version?
Yes, I am Finnish. Why would you ask?
Martti K.