Registration Guide


Your cat’s complete Registration number is composed of the following segments:

Breed Number

Colour Number or Colour & Pattern Number (where applicable)

Pattern Marker (if applicable)

Variant Marker (if applicable)

Litter Number (year of registration and litter number for that year)

Sibling Number (indicating which individual from a litter)

Genetic Marker

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EXAMPLE 1: 10019W-20144-4H

10Indicates Persian BreedBreed Number
019Indicates Black Tortie FemaleColour Number
WIndicates 'with white' or Bi-ColourPattern Marker
20144Indicates year 2002, Litter number 144Litter Number
-4Indicates this was the fourth kitten in the litterSibling Number
HIndicates that the cat has at least ONE cat in it's 6 generation pedigree which is POINTED patternGenetic Marker

EXAMPLE 2: 50062-10302-3C

50Indicates Siamese Breed
062Indicates Chocolatepoint Male
10302Indicates year 2001, Litter number 302
-3Indicates this was the third kitten in the litter
CIndicates that although a Siamese, this cat would be considered a COLOURPOINT SHORTHAIR by
The Cat Fanciers Association as it has an ORIENTAL outcross within the first 6 generations.

EXAMPLE 3: 30107VT-21115-2P

30Indicates the Scottish Fold Breed
107Indicates Brown Tabby Female
VTIndicates that this is a VARIANT or PERK-EARED FOLD
21115Indicates 2002 as year of registration and litter number 1115 of that year
P Indicates POLYGENIC or carrying more than one recessive trait in its 6 generation pedigree.


CATZ elected to create a Breed numbering system in COMBINATION with the cat’s full REGISTRATION NUMBER, similar to those numbering systems used by CFA. With this in mind, breeds were grouped to allow for gaps, so that there was allowance made for Breeds not currently recognized or which were genetically possible. (i.e, Longhair or Shorthair versions of existing breeds which are not currently in existence).

SEE Breed Numbers


In Colour Number Charts, you will note that cats of the same basic genetic makeup, are allocated similar numbering attributes.

SEE Colour Numbers (Series 00) Colour Numbers (Series 50)
For Colour Descriptions SEE Standards of Excellence

Example One:
Let’s take the obvious. Note that ALL MALE CATS have colour numbers ending in an EVEN number, while all FEMALE CATS have colour numbers ending in an ODD number. So by reading a Breed & Colour number and noting this, you will automatically know if the cat is male or female.

Example Two:
Now look at a specific COLOUR. Say RED. Note that in the Solid Number list a Red male has the colour number 014. You then find that ALL RED MALES, regardless of breed, ALL end with the colour number 014. ie. An Oriental Red is 52014, a Persian is 10014, a Manx is 80014 and so forth. Similarly all Red Females end with the number 015, so an Oriental Red female is 52015, a Persian Red female is 10015 and so forth.

Example Three:
Taking the above sample further. Now add another genetic factor. Lets say we are talking about RED TABBIES. All Tabby colours are prefaced in the colour numbering system in the 100 series of numbers. So while a Red Solid male carries the colour number 014, a Red Tabby male carries the colour number 114. So lets stick with one breed and see where this takes us. A Persian (Breed Number 10) Red self male is 10014, a Persian Red-self female is 10015, a Persian Red Tabby Male is 10114 and a Persian Red Tabby female is 10115.

Example Four:
Now let’s add other genetic factors.

Red Persian Male10014Red Persian Female10015
Red Tabby Persian Male10114Red Tabby Persian Female10115
Red Smoke Persian Male10414Red Smoke Persian Female 10415

Example Five:
Then just when you think you have the hang of it, we add another layer of factors, the pointing gene. So for every colour number so far, add 50 to the colour number to get the corresponding POINTED COLOUR NUMBER.

Red Oriental Male52014Redpoint Siamese Male50064
Red Exotic Male11014Redpoint Exotic Male11064
Red Exotic Female11015Redpoint Exotic Female11065

Example Six:
Now combine the POINTING FACTORS in Example Five with the COLOUR COMBINATIONS in Example Four.

Red Exotic Male11014Redpoint Exotic Male11064
Red Exotic Female11015Redpoint Exotic Female11065
Red Tabby Exotic Male11114Red Tabbypoint Exotic Male11164
Red Tabby Exotic Female11115Red Tabbypoint Exotic Female11165
Red Smoke Exotic Male11414Red Smokepoint Exotic Male11464
Red Smoke Exotic Female11415Red Smokepoint Exotic Female11465

So as you can see, the combining of Breed Numbers with Colour and Pattern numbers gives us a huge range of identifiers with which we can become familiar.


In practice, Breed and Colour numbers by themselves are not enough. It is important also to allow for PATTERN MARKERS to indicate other genetic factors in the marking of cats. The White Spotting factor, which is random, is a case in point. To show this, instead of using numbers, we use SECONDARY APLHABETICAL PATTERN INDICATORS. These alphabetical indicators follow the first set of numbers, which are the primary Breed, Colour and Pattern indicators.

Black Oriental Male52006Black Oriental Female52007
Black Or. Bicolour Male52006WBlack Or. Bicolour Female52007W
Black Or. Harlequin Male52006QBlack Or. Harlequin Female52007Q
Black Oriental Van Male52006VBlack Oriental Van Female52007V

Then add additional colour or pattern factors

Example Two:

Blue Tabby Oriental Male52018
Blue Tabby Oriental Bicolour Male52018W
Blue Tabby Oriental Harlequin Male52018Q
Blue Tabby Oriental Van Male52018V


PATTERN MARKERS may also be BREED SPECIFIC. A good example is RAGDOLLS, where the White Spotting Factor is involved and where the BREED is recognized in 3 pattern groupings, POINTED, MITTED (pointed with minimal white spotting) and BI-COLOUR, (pointed with Bi-colour grade white spotting factor). Another example is the BENGAL, where the pattern may be SPOTTED (including rosetting) or MARBLED.

Example One:

Seal Colourpoint Male Ragdoll16056
Seal Mitted Male Ragdoll16056M (M for Mitted Specific to Ragdoll)
Seal Bi-Colour Male Ragdoll16056B (B for Bi-colour, Specific to Ragdoll)

Example Two:

Brown Spotted Bengal Male78106S
(indicating Breed 78, Bengal, a Brown Tabby Male 106, and "S" for spotted)
Brown Marble Bengal Female78107M
(indicating Breed 78, Bengal, a Brown Tabby Female 107, and "M" for marble)


It is also sometimes necessary to indicate whether the cat is a Breed Variant. The marker for BREED VARIANT is VT and will appear after the cats breed & colour number. Good examples of these are tailed MANX, or perk-ear SCOTTISH FOLDS.

Example One:

Brown Tabby Manx Male80106
(80 indicating Manx Breed, 106 indicating Brown Tabby Male)
Brown Tabby Tailed Manx Male80106VT
(80 indicating Manx Breed, 106 indicating Brown Tabby Male and VT indicating it still has a tail)

Example Two:

Blue Bicolour Scottish Fold Male30008W
(30 indicating FOLD, W indicating Bi-Colour pattern)
Blue Bicolour Perk-eared Scottish Fold Male30008WVT
(W indicating Bi-Colour pattern and VT indicating straight ears)


Genetic Factors also come into play with the Registration System. These may be to indicate:

Whether a cat is carrying Longhair or has a cat carrying LH within 6 generations.

Whether a pointed cat has Solid outcrosses within 6 generations.

Whether a solid colour cat has a pointed cat within 6 generations.

Whether a non-Bicolour cat has White spotting factor within 6 generations.

Whether a non-silver cat has a silver parent or silver within 6 generations.

These are just SOME of the factors which are recorded at the time of initial registration or noted against the cat’s original registration when breeding exposes genetic factors which were hitherto unknown. These markers are ALPHABETICAL and usually come AFTER the litter number at the very END of the individual cat’s registration number.

If you have any further queries regarding your Certificate of Registration or your cat’s registration number, contact the Central Registry