The Beer Judge Certification Program (BJCP) provides guidelines for judging beer styles, including Old Ale. The guidelines describe an Old Ale's color as ranging from 12-30 SRM (Standard Reference Method), bitterness from 30-65 IBU (International Bitterness Units), and alcohol content between 6.3-9.1% ABV (Alcohol by Volume). Additionally, the BJCP recommends serving Old Ales in a snifter glass at 50-55°F for optimal aroma and taste.