 Driving under the line to advance one's position is subject to a drive-through penalty, or if the foul occurs on the last lap that car will be relegated to the last car on the lead lap in official race results.NASCAR previously sanctioned an annual 4-day pre-season test at Daytona International Speedway in January for all teams until 2015, when all private testing was banned.After that test, each organization was allowed four 2-day tests.