NEW BD RULES FOR DECEMBER 1ST 2019 All BD registered horses must be currently vaccinated with the most recent booster injection being within 6 calender months +21 days prior to horse competing. The full course or booster must have been administered at least 7 days before arriving at the competition. All other horses competing at Allens Hill must have their vacciations up to date and must comply with the 7 day rule and must produce their passports for staff to check.