1. Principle of Harmony: no characteristic will exceed so much to the others as to destroy the general harmony of the dog, being done it deforms it or interfering in his mobility of troops.
2. Concept of lack: any divergence of the typical characteristics of the race considers a lack, depending its gravity on the divergence degree.
3. Influence of the sex: the females are not so big not so developed as the males.

General Appearance

1. Length of the head: profile Vista is shortest, because of the brevity of the snout.
2. Facial symmetry: the different characteristics of the face, dress abreast, they must be distributed equally to the sides of a vertical imaginary line that happens for the center of the same face.
3. Perimeter of the skull: the skull is very voluminous, its perimeter, measured circularly in front of the ears, does not have to be inferior to the stature.
4. Form of the cranium: of form cuboid. I dress of profile it is very high, I dress abreast it is very voluminous. His perimeter, measured circular in front of the ears, must not be lower than the height.
5. In front: flat and it is squashed (it does not excel of the face).
6. Stop (nose-front depression): as a result of the massive projections of the front bones the angle nose-frontal forms a deep and wide cavity between the eyes.
7. The frontal furrow: from stop, a wide and deep furrow extends vertically until half of the forehead, dividing it in two; of it continues there with smoother outline until the superior part of the skull.
8. The head: the previous and top part of the head, measured from the cheekbones up to the muzzle, is very short and is covered of skin with thick, deep and tight wrinkles.
9. Length of the head: the distance from the inferior angle of the eye or from the bottom of the depression nose-front, between the eyes, to the end of muzzle is very short, not having to never surpass to the distance that there is between the end of muzzle and the edge of the inferior lip.
10. The Nose: in the extreme part and carnos of the nasal cane. It has a form of nose divided with a line of vertical straight and definite well separation. It has a big and broad size. The position is very sunked (very deeply depressed), his top is inserted backward, deeply between the eyes. The color is black. The nose has a color liver, quoit or without pigment is a serious lack that discredits the dog. Initially, the puppies on having been born have the pink nose but she becomes to them black during the first months of life. The nostrils are big and broad.
11. The snout: it is short, broad, turned up and very deeply from the angle of the eye and up to the oral commissure.
12. Lips: the superior lip is heavy, wide, pendant and deep, hangs to the sides, exceeding inferior jawbone, whereas the front is united to the inferior lip, covering the teeth.
13. Jawbone: wide and massive. The superior jaw exceeds considerably to the superior one and it bends over upwards. The cheeks are cleared.
14. Eyes: located in the front of the head, low in the skull, moved away of the ears, aligned with stop in a perpendicular straight line to the frontal furrow, distant to each other, but its outer angles within the profile of the cheeks when they are observed front. They are round, so large medium, dark, almost black.
15. Ears: the insertion of the same ones seems high, with rose form.
16. Neck: profile very bent in its superior, short, heavy, deep and strong.
17. Dewlap: abundant wrinkles.
18. Back: of pear shape outline.
19. Thorax: voluminous, wide and cylindrical, in barrel form.
20. Belly: tucked up and no pendulous.
21. Shoulders: muscular, wide and oblique, they give to stability and force him to the dog.
22. Elbows: low and very separated of the thorax.
23. Extremidades: vigorosas.
24. Feet: medium size, moderately round and compact, with fingers firm and heavy, and very separated.
25. Tail: it cuts, of low starting, short hair smooth and soft. Thickness in the root, and fine in the end. Two forms are admitted: cylindrical and twisted.
26. Skin: gross, free, soft and flexible, forming numerous plaits. Hair of thin texture.
27. Color: they must be pure, clean and brilliant. Black spots are admitted about the eyes and in the snout. The desirable colors are the tiger-striped one, whole, pied, flecked colors, etc. The undesirable colors are black and cinnamon.