The Jockey Club's rules for naming horses

Rule # F. The following classes of names are not eligible for use:

1. Names consisting of more than 18 letters (spaces and punctuation marks count as letters);

2. Names consisting entirely of initials such as C.O.D., F.O.B., etc.;

3. Names ending in "filly," "colt," "stud," "mare," "stallion," or any similar horse-related term;

4. Names consisting entirely of numbers. Numbers above thirty may be used if they are spelled out;

5. Names ending with a numerical designation such as "2nd" or "3rd," whether or not such a designation is spelled out;

6. Names of living persons unless written permission to use their name is on file with The Jockey Club;

7. Names of persons no longer living unless approval is granted by The Jockey Club based upon a satisfactory written explanation submitted to the Registrar;

8. Names of racetracks or graded stakes races;

9. Names clearly having commercial, artistic or creative significance;

10. Names that are suggestive or have a vulgar or obscene meaning; names considered in poor taste; or names that may be offensive to religious, political or ethnic groups;

11. Names that appear to be designed to harass, humiliate or disparage a specific individual, group of individuals or entity;

12. Names that are currently active either in racing or breeding (see Rule6(E));

13. Names of winners in the past 25 years of grade one stakes races;

14. Permanent names. The list of criteria to establish a permanent name is as follows:

a. Horses in racing's Hall of Fame;

b. Horses that have been voted Horse of the Year;

c. Horses that have won an Eclipse Award;

d. Horses that have won a Sovereign Award (Canadian Champions);

e. Annual leading sire and broodmare sire by progeny earnings;

f. Cumulative money winners of $2 million or more;

g. Horses that have won the Kentucky Derby, Preakness, Belmont Stakes, The Jockey Club Gold Cup, the Breeders' Cup Classic or the Breeders' Cup Turf; and

h. Horses included in the International List of Protected Names.

15. Names similar in spelling or pronunciation to the classes of names listed in Rule 6(F) 6 - 14 above.