Ok. Let's create an example. Bloggs didn't fly at all in the first year, then did his 12hours etc. etc. in the first 3 months of the second year. How much longer than the end of the second year would you suggest he should be able to revalidate without an LPC? Before answering I would respectfully suggest you consider the fact he would be putting the rest of us at greater and greater risk the longer your chosen period is. A line has to be drawn somewhere and I feel the authorities are being too generous already.