GENERAL APPEARANCE : Smart, workmanlike, well-balanced and compact.

BEHAVIOUR AND TEMPERAMENT : Affectionate, obedient and easily controlled.  Happy and volatile, rarely of shy nature.  Game and fearless but definitely not aggressive although at all times able to hold his own when necessary

HEAD

CRANIAL REGION :
Skull : Flat, of moderate width between ears.
Stop : Not too defined.

FACIAL REGION :
Nose :  Black.
Muzzle : Medium length from stop to end of nose.
Jaws/Teeth : Jaws powerful, clean cut, rather deep and punishing ; strong with perfect, regular scissor bite, i. e. upper teeth closely overlapping the lower teeth and set square to the jaws.
Eyes : Small, well set in, dark, expression indicative of temperament.  A round, full eye undesirable.
Ears : V-shaped, small, leathers not too thin, set on fairly high, carried forward and close to cheek.

NECK : Moderate length and thickness, slightly arched and sloping gracefully into shoulders.

BODY :
Back : Short.
Loin : Strong.
Chest : Good depth and moderate width.  Well ribbed up.

TAIL : Customarily docked. 
Docked : Well set on.  Carried erect but not curved over the back.
Undocked : Well set on.  Carried erect but not curved over the back.  In overall balance with the rest of dog. 

LIMBS

FOREQUARTERS : legs straight and muscular, possessing ample bone.
Shoulders : Long, sloping and well set back.
Pasterns : Upright and powerful.

HINDQUARTERS : Strong.
Thighs : Muscular, of good length.
Hocks : Well bent, well let down and with ample bone.

FEET : Small, round and cat-like.

GAIT / MOVEMENT : Fore-and hindlegs carried straight forward and parallel.  Elbows move perpendicular to body, working free of sides, stifles turning neither in nor out.

COAT

HAIR : Wiry, hard, very close and abundant.  Single coat undesirable.

COLOUR : Black and tan for preference, or black grizzle and tan, free from black pencilling on toes.  Black below hocks most undesirable.

SIZE  : Height at shoulders not exceeding 39 cm (15 ½ ins.).
Weight : 9-9,5 kg (20-21 lbs).

FAULTS : Any departure from the foregoing points should be considered a fault and the seriousness with which the fault should be regarded should be in exact proportion to its degree and its effect upon the health and welfare of the dog.

Any dog clearly showing physical or behavioural abnormalities shall be disqualified.

N.B. : Male animals should have two apparently normal testicles fully descended into the scrotum.

 This amended breed standard will become effective from April 2004.

Automatic translate from inseparabile.com

Original of Wales, from which it has taken the name, the Welsh terrier a dog from job adapted for the hunting in lair to the animals considers you injurious, which the vixen the faina the donnola etc; equipped to fatigue strength and much courage, its essentially peasant character. However adapted well to the life in family, to which it is become attached in extraordinary way, loving to play with the children, with which it establishes endured a sincere and long-lasting relationship of sure friendship.

THE ORIGINS It seems that this dog is the direct descendant dellantico Black and tan terrier and that, subsequently, has been ingentilito a po in the shapes with laccoppiamento of others breeds (terrier) and that it has contributed then, in its turn, to the birth of the Fox to rough hair. Ancient origins therefore much. However the constitution of the club of the Welsh terrier in Wales, it was only reached in 1885. As soon as a year after segu the official acknowledgment of the race from part of the Kennel English club. From this terrier from job a lot is then diffused quickly, before in Europe and then in the other continents, riscuotendo succeeding that still today always in increasing phase. In Italy between the breeds terrier devout asserted and are not rare the Welsh of Italian breeding that they turn out vincitori in devout the important European exposures canine, to demonstration of the seriet and dellimpegno that the breeders of our country characterize.