Instructions for PDF forms: Forms marked PDF-f can be filled-in online, you must then print the form and submit it using the delivery instructions provided on the form. Forms marked PDF must be printed out and then filled in by hand. You must have the free Adobe PDF viewer installed on your computer in order to open any PDF form. A free download is available from the Adobe Web site. You cannot save completed PDF-f forms unless you have the Professional version of Adobe Acrobat.
Instructions for WORD forms: Forms marked DOC are created so that you can fill them out online using Microsoft Word and then print the form and submit it using the delivery instructions provided. DOC forms also allow you to save the form to your hard drive. (File > Save As) If you do not have Microsoft Word, a free Word viewer download is available from the Microsoft Web site.
All Adobe Acrobat PDF files require that you have a PDF viewer.
(A free download is available from the Adobe Web site.)