Or, if you're National B licenced, you can work out what the requirement for National A is yourself:
Go to your MyCTRA page.
Take your total points score, and subtract the requirement for National B, so that you're left with the points you have scored onto your National B licence. Divide this number by the 'Progress to National A: x%' value, then multiply the result by 100. This gives you the approximate points you need to earn on top of your National B licence to get National A, so add on the requirement for National B and you have the total
To clarify, I'll make an example:
Say you need 300 points to reach National B, and your current points score is 400, and the progress to National A says 10%.
Take the 400 points, subtract the 300 it took to get National B, you have 100 points. This is the amount you've earnt since getting your National B licence.
400-300=100
Now, divide that 100 points by the percentage figure, 10. This gives you the number of points you need to get 1% closer to National A, which is 10.
100/10=10
Now we have what 1% progress is, multiply that by 100 to find what you need for 100% progress. This makes 1000 points.
10*100=1000
Now, that's the requirement to progress from National B to National A, so we have to add on the National B requirement to find the total points score for you to qualify for National A. So, add the 300 points back on. This brings the final value to 1300 points for National A.
1000+300=1300
Oh, look... That's what the boundaries work like for the tin-top licence, and the Bump and Jump licence... Maybe that's exactly what the score for National A is?
Hope I've been helpful
Sam