General Requirements
In order to be registered RPSI, horses must meet certain pedigree requirements. Warmbloods registered with the following recognized warmblood breeding associations are eligible for entry into the Main Mare Book and Stud Book I of the RPSI: Oldenburg ISR, German Oldenburg Verband, Hanoverian, Holsteiner, Trakehner, Swedish Warmblood, Dutch Warmblood, Belgian Warmblood, Westfalian, Rhineland, Bavarian, and Baden-Wurtemburg. Thoroughbred (Jockey Club), Arabian, Anglo-Arabian and Shagya Arabian horses are also eligible for entry into the main breeding books. Breeding books for Knabstruppsers, Sport Ponies and Palominos also exist. Draft crosses, Quarter Horses and other American breed Mares are eligible for recording only and are not eligible for the Mare books. Stallions of Draft or Draft crosses, Quarter Horses, Paint, Appaloosas and other American breeds are not eligible for the stallion books and cannot be presented as a stallions. Each horse will be personally inspected by the official Judges.

Stallions
Stallions may be inspected at age 2 ½ years or older for entry into a Stud Book. Drafts, Draft crosses, Quarter Horses and other American Breeds of stock type are not eligible for entry into the Stallion Books. Minimum Inspection score of 60 points and the pedigree requirements listed above are required for entry into Stud Book I. Stallions must complete a 30 and/or 70 day test, and if no 70-day test is completed, the stallion must also complete the minimum Performance Requirements in order to retain licensing in Stud Book I. RPSI Stallion Requirements...

Mares
Mares may be inspected at age 3 or older for entry into a Mare Book. All mares must meet the above pedigree requirements, with an overall inspection score of 6.0 or above, and no single score lower than 5, in order to qualify for entry into Mare Book I. Mares with adequate pedigree but with an average score of 5, and no individual score lower than 4 at their inspection will be entered into Mare Book II. Mares who do not meet the pedigree requirements for the Main Mare Books will be entered into the Pre Mare Book. Read the complete RPSI Mare Book Bylaws...

Foals
Foals are to be inspected at their dam's side. Pedigree requirements for Mare and Stud Book I also apply to foals eligible for full pink German papers and a full brand. Foals sired by Stud Book II recorded stallions and/or out of Pre-Mare Book mares will receive white registration papers (Certificate of Pedigree) and a half-brand (Zweibrücken bridge with no crown). All foals registered RPSI are eligible for USDF All Breeds Awards. If inspected as weanlings, DNA testing will be required in addition to a Breeding Certificate signed by the Stallion Owner/Agent. Read the complete RPSI foal/inspection Bylaws...

RPSI's Sport Pony books are open to ponies of riding/sport type, being generally between 13.2 and 14.2 hands high. RPSI Sport Ponies receive a special brand and full passport-style registration papers. The following breeds are eligible for inspection, branding and registration: German Riding Pony, Welsh Section B, Welsh Section C, Welsh Section D, Connemara, Zweibrucker, Thoroughbred, Anglo-Arabian, Arabian, Arabian Partbred, Warmblood... Read More for a complete list of eligible breeds and bylaws.