Any person who keeps a mountain lion, wolf, or wolf hybrid in captivity must obtain an identification number from the board. The number must be tattooed in indelible ink inside the ear of the animal for permanent identification purposes.
N.D. Cent. Code § 36-01-08.2
Mountain lions, wolves, and wolf hybrids held in captivity - Identification required
Official source: North Dakota Legislative Branch. Reproduced from public-domain North Dakota statutes; confirm against the official source for the current text. Not legal advice.