Pre- and Post- Crossword

To authorize or give permission in advance
To make a decision before you have all the facts
To look at or something before something occurs or before someone else
A test given before the real test
A measure taken in advance to prevent harm
To write a date on something that comes after the actual current date
To do something after it was originally planned
Taking place in the afternoon
A comment ,note, thought written after a letter is finished
A mark ptinted across a stamp after it is received by the post office