B-Book II is the second Subsidiary Registry within the FPS. Horses who were born prior to 1995, sired by a Foal Book stallion without breeding approval and produced by an FPS registered mare, may be registered in B-Book II. Also those horses sired by a stallion with limited breeding approval and produced by a B-Book II mare would be entered into the second B-Book. B-Book II horses receive identification codes from the FPS but are not eligible for star or any increase in status. North America has closed its B-Book registration to horses born after 1994, although it does recognize imported horses with B-Book II papers.

[See also: B-Book I]