Had a go at Alt Law landing in the box by way of Abnormal Attitude Law. It's different!
From the FCTM:-
'Takeoff and landing maneuvers are naturally achieved. For example, a flare requires the PF to apply permanent aft pressure on the sidestick, in order to achieve a progressive flare.'
- hence the need for the nose down pitch introduced by flare law at 50'. In Alt Law this does not happen so a permanent 'aft pressure on the sidestick' will send you flying again - and alpha floor is inhibited below 100'RA. So you need to arrest the ROD with small backwards movements of the stick - releasing between them. You'd think they might mention that somewhere!
Cheers
mcdhu