The pilot scheme was launched at a store owned by The Grocer Top 50 independent retailer David Sands in Bruntisland, Fife. The campaign, which will be trialled in Fife for a year, is set to begin in mid-June and will use 16-year-olds to buy alcohol in off-trade and on-trade locations.
Scottish Grocers Federation chief executive John Drummond said: "This will be a test for police as much as for retailers. Protocols will have to be set for police elsewhere to learn from."
Scottish authorities have advised that minors used in the trial should not be encouraged to lie about their age.