For the most accurate and up-to-date information regarding the last date for registration for M.Com Finance and Taxation program at IGNOU (Indira Gandhi National Open University), I recommend visiting the official IGNOU website or contacting your regional center.

IGNOU regularly updates its official website with announcements, including registration deadlines for various programs. You can check the "Alerts" or "News & Announcements" section on the website for the latest updates.

Additionally, you can directly contact your regional center or the administrative department of IGNOU for specific information regarding registration deadlines for the M.Com Finance and Taxation program. They will be able to provide you with the most accurate information and assist you further.