Passport Abbreviations?

[SillySausage]

Just looking at my loan horses passport and his parents and they say:

Stormhill Joseph VII (CHAPS) (NTR)

Bank House Lodge (GSB)

Can anybody tell me what NTR and GSB stand for?? Thank you in advance

 

[miller]

NTR - non thoroughbred register
GSB - general stud book

 

[SillySausage]

Thanks - how boring! Lol