Irn-Bru, who also sponsor Queen's Park and will for the next three years also, take over from Bell's Scotch Whisky who pulled out at the end of season 2005/06 and caused uncertainity about the future of many of Scotland's lower league clubs.
The soft drink giants will sponsor Division's One through Three but will not cover the Challenge Cup, which is expecting to unveil a seperate sponsor ahead of the draw on the 24th July.