All Natural Ferret Breeders certified breeders register they're litters to NFB's register.

Please fill register form for litter registration and send it to NFB. Parents must have NFB register number before mating. Also, please send litters pedigree and receipt of bank transfer same time when you send registration form. 

You can send register request to nfbregistry(a)gmail.com . 

Price of litter registration is 2€/ferret or maximum 20€/year. You can pay that to ??