Answer:

misdate

Answer	Crossword Clue
MISDATE	Stamp incorrectly, perhaps
MISDATE	Mess up a check
MISDATE	Err as to the origin of

MISDATE	Make an error on, as a check
MISDATE	Write the wrong year on, as a check
MISDATE	Render anachronically
MISDATE	Check goof
MISDATE	Err chronologically.
MISDATE	Make a certain common error.
MISDATE	Show the wrong time of month
MISDATE	Assign a wrong year to

MISDATE	Stamp incorrectly, in a way