Approved by GCCF, February Council Meeting, 2002.
 
Breeds Permitted in the Pedigree of Tonkinese Cats:
 
Tonkinese: Tonkinese with the typical coat pattern expressed in any of the following colours-Brown, Blue, Chocolate, Lilac, Caramel, these colours in the tortie and tortie tabby, Red, Cream, Apricot and all eight colours in Tabby.
Tonkinese Variant: A cat from the mating of a Tonkinese to - a Tonkinese, a Tonkinese Variant, a Burmese or a Siamese but whose coat pattern is either Burmese or Siamese in appearance in any of the colours and/or patterns in 1. above
Burmese and Siamese: On their respective Full Registers but only in accordance with the requirements of the Tonkinese registration policy given below.
Note: All offspring of Tonkinese Variants mated to the similar breed of origin, i.e. Tonkinese Variants with Burmese coat pattern x Burmese, or Tonkinese Variant with Siamese coat pattern x Siamese, will be registered as the appropriate coat pattern Tonkinese Variant.
 
Registration Policy:
 
Full Register:
Tonkinese with Championship or Provisional Status which have only Tonkinese and/or Tonkinese Variants in their pedigree within three [3] preceding generation. Any application to register the progeny of Tonkinese Variants on the full Register must be accompanied by a letter requesting this.
 
Supplementary Register:
Tonkinese with Championship or Provisional status which have in their pedigree, within three [3] preceding generations, only Tonkinese on the Full, Supplementary or Experimental Registrations, or Tonkinese Variants and
The Progeny of Tonkinese or Tonkinese Variants mated with either Burmese or Siamese [on their respective Full Registers] born on or before 31st December 1996.
The Progeny of Burmese on the Full Register mated to a Siamese on the Full Register born on or before 31st December 1998.
 
Experimental Register:
Tonkinese with Preliminary Recognition which have in their pedigree, within three [3] preceding generations, only Tonkinese or Tonkinese Variants and
The Progeny of Tonkinese, or Tonkinese Variants, mated with either Burmese or Siamese [on their respective Full Registers] born on or before 31st December 1996.
The Progeny of Burmese on the Full Register mated to a Siamese on the Full Register born on or before 31st December 1998.
 
Reference Register:
All Tonkinese Variants plusTonkinese, which have in their pedigree, within five [5] generations, any other breeds other than those permitted in the Tonkinese Pedigree. This includes Burmese or Siamese not on Full Register, cats with unknown background and those that have not been registered.
Tonkinese or Tonkinese Variants from the mating of a Tonkinese, or a Tonkinese Variant, to a Burmese or Siamese on the Full Register, born on or after 1st January 1997, or the progeny from these cats, that have within their pedigree, within three [3] generations, Burmese or Siamese on the Full Register.
Tonkinese from mating of a Burmese on the Full Register to a Siamese on the Full Register, born on or after 1st January 1999, or the progeny from these cats that have in their pedigree, within three [3] preceding generations, Burmese or Siamese on the Full Register.
The 'Three Generation' requirement for the Full Register to be increased to Five [5] generations as soon as is practicable.
Note: All Red, Cream and Apricot Tonkinese with one or more Tabby parents must be registered as Red, Cream or Apricot Tabbies until otherwise Proven.