0.2 BONUS Awarded for D dismount or above on bars beam and floor.
Floor
0.1 BONUS on floor for a stuck landing on D+ arco line/element ONLY (No award for D+ acro with leap added on)
0.3 DEDUCTION if one foot or hand is out of bounds on floor
0.5 DEDUCTION if both feet are out of bounds on floor floor
Vault
0.20 BONUS for stuck vaults over 4.8 Difficulty
Bars
0.1 BONUS if a 1/1 element is completed within 10° of handstand
Check British Gymnewstics for details – D+ Dismounts Here to Stay And More: British Gymnastics Introduces Bonus/Deduction System.
Gymnastics Coaching.com 