2. CLASSIFICATION CODES NCIC Henry IAFIS

6. NCIC CLASSIFICATION

7. IAFIS CLASSIFICATION

8. HENRY CLASSIFICATION

9. HENRY CLASSIFICATION Consists of the following: PRIMARY SECONDARY SMALL LETTERS SUB-SECONDARY SMALL LETTERS MAJOR FINAL KEY

10. HENRY CLASSIFICATION PRIMARY A numeric value is assigned to each of the ten finger blocks, ranging from 16-2. When a whorl appears, it assumes the value of that finger block. All other pattern types are disregarded when computing the primary.

11. HENRY CLASSIFICATION PRIMARY The Numerator = the total of fingers 2,4,6,8,10, plus one. The Denominator = the total of fingers 1,3,5,7,9, plus one. The Primary is placed in the center of the classification line.

13. Finger #2 is the Numerator.

14. Finger #3 is the Denominator.

16. HENRY CLASSIFICATION Small Letters consist of capital “A,” small “a,” capital “T,” small “t,” or small “r” ONLY. Small letters appear on the classification line as their relative position to the index fingers. ALL small letters MUST be represented in the classification formula. SMALL LETTERS

17. HENRY CLASSIFICATION SMALL LETTERS Dashes (-) are used in the formula to indicate an ulnar loop or whorl intervening between the index finger and the first small letter, or between two small letters. Dashes will appear on the right side of the Secondary only. Consecutive small letters are indicated by: 2a, 2t, 2r, 3a, 3t, and 3r as they appear in fingers 3-5 and 8-10.

19. The Sub-Secondary appears on the classification line to the immediate right of the Secondary, only if no Small Letters are present.

20. Definitive values are assigned to each finger used in the Sub-Secondary.

22. The Major appears on the classification line to the immediate LEFT of the Primary.

24. If whorls are present in both thumbs, the tracings are used as the Major.

27. The Final appears on the classification line to the right of the Sub-Secondary.

30. The Key appears on the classification line to the left of the Major.