Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
If you have a vehicle that you believe was constructed in or before 1/1/73 you should obtain proof of construction date."[/i]
I sent a letter to Honda and, £28 poorer, discovered that my bike (cb500/4) was made in December 1974.
Surely there has never been a rolling 30 year exemption, as the cut off of Jan 1973 was introduced when the historic vehicle licence was first introduced. By signing a petition you will simply ask the government to review and posibly amend the law. Given the current climate, they may make it worse, not better.