We have a question on the luggage transfer in Switzerland. Your text to link here... Can we register the luggage a day before taking the train? Let say, we would be travelling from Lucerne to Interlaken on 08-May and would like to transfer the baggage to Interlaken station. Can we register the baggage on 7-May or earlier? Thanks.
Yes, you can do that. In fact if you don't want same-day service, I believe the rates are a bit cheaper.
As far as I know there is no requirement that you be travelling so you should be able to check in luggage the day before. If it gets there before you do they will hold it. The price is SF22 and you can check the stations and times here: http://www.sbb.ch/en/station-services/services/baggage/fast-baggage/webabfrage.html