From the Sofia Echo.
As of January 27 2010, Bulgarian road tax vignettes can be bought online from www.vinetka.com
The site, available in Bulgarian and English, is set up by the Vignette Sticker Distribution consortium.
The vignettes are sold with a validity ranging from one day to one year. Payment of orders can be done via credit card or bank transfer.
Delivery of ordered vignettes, within Bulgaria, is done by courier service and costs six leva. Vignettes are delivered within Sofia the next working day; for the rest of the country delivery time is up to three working days.