Hi Eunice
I dont use Xero, but do know that they have 24/7 free support as do SageOne cloudy stuff. When I say free - of course I dont really mean free as its part of the extortionate monthly fee costs, but I think its the only good thing about them both! As long as you get a good helper on the phone you should be ok. If you get a right nugget - just ring them back later.
Im sure there will be some others along later, but if you are working today at least then you arent waiting around for peeps.
HTH
PS - dont you just love the fact that bookkeeping is secondary (or rather LAST) to everything else!
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Joanne
Winner of Bookkeeper of the Year 2015, 2016 & 2017
Thoughts are my own/not to be regarded as official advice,which should be sought from a suitably qualified Accountant.
You should check out answers with reference to the legal position