3 copies on long bond (us folio, 8.5in x 13in) paper (landscape orientation)
Sign in black ink.
Get all copies stamped upon payment.
Take one stamped copy back for your own records.
No payment due on this form as the payment is made using the form 1601-E. This form is submitted together with the 1601-E.
10th of each month, except January, which is on the 15th (If this day is a Saturday, Sunday or holiday, it must be submitted by the first working day AFTER.). Though if paying and filing manually, it is advised to file not later than the Friday before weekend or holiday to avoid early cut off times and penalties in some areas.