Two things:

a) Same rule should come in here undoubtedly, even if it helps 5% to get us back to normal quicker it's a very small sacrifice to make

b) Why wait another 10 days? They've made the decision, there's no one who will actually be affected by this rule (i.e goes to shops) who can't get a mask within a maximum of 3 days so why not make them mandatory from, say the 17th? Seems pointless to wait? Especially as, you know, masks were being encouraged 3 months ago