LSV usually means "Lastschriftverfahren".
http://dict.leo.org/ende?lp=ende&lan...hriftverfahren
It's very common in Germany, but in Switzerland people seem to prefer invoices.
I've switched most regular payments to e-billing (e-Rechnung). It's almost the same convenience but lacks the automatism.
Plus, I don't get any paper-bills anymore.
Health-insurances seem to insist on LSV though.