How to Supply Artwork for Wall Calendars.

File Format: 13-page PDF with a 15mm top and with Crop Marks Enabled.
Artwork Size: A3 - 297 x 420mm (Portrait) / 420 x 297mm (Landscape) A4 - 210 x 297mm (Portrait) 297 x 210mm (Landscape).
Margin: 5mm on All Sides.
Bleed: 3mm on All Sides.