One distinguishes between the cue-ball on the one hand and the two other balls called objectballs on the other hand.
- The number and the area of barred zones are determined by the congress. These zones are delimited by lines drawn as fine as possible with chalk, in pencil or with ink. (paper B)
- Within each of these barred zones the player will only be allowed to execute the authorized number of cannons in the course of his serie which means that he must force the two opposing balls to leave the zone in which they are, by means of the determined stroke.
- The position "come in" is reached:
when the object-balls are at rest in the same zone while before the stroke of the cue they were in another zone or in two different zones or in this same zone but that one or both of the object-balls were leaving in order to integrate this zone once again (indicated by "come in").
- The position "in there" is reached:
- when a cannon is made after the position "come in" without one of the object-balls leaving the zone (indicated by "in there");
- concerning cadre with one stroke on the same condition mentioned in point a) above but indicated by "in there" instead of "come in".
- The position "astride" is reached:
when the two object-balls are at rest near a line of the zone but each of them in a different zone (indicated by "astride").
- The object-ball exactly placed on the line of the zone is considered to be disadvantageous for the player.
- One or the two object-balls are able to integrate once again and immediately the zone which they leave in such a way that they form once again the position "come in" or "in there".
- The position relating to cadre is represented before it gets into the anchor. If the two positions are the same the announcement will only be effected once followed by "everywhere".
As soon as a carom is effected by leaving the position "in there" and as soon as no object- ball leaves the zone there will be a foul (indicated by "remaining in there").
As far as the partie libre is concerned the player is allowed to execute uccesively in the course of the same serie an unlimited number of cannons within the limit of the distance on the whole surface of the billiard except in the barred zones of the corner in which the game is regulated by the regulations of the articles 51 to 60.
The cadre disciplines give the opportunity to several kinds of matches depending on the fact whether they are played with one or two strokes of 47 or 71 centimetres with additional squares. (paper C-D)
- On the playing surface one draws as fine as possible with chalk, in pencil or with ink lines which form quadrilaterals called cadres. (barred zone)
- Moreover, one draws at the end of each of these lines and astride them small additional squares whereby one of the sides smooths with the internal side of the cushion. These small squares are named anchors.
- The prescriptions of the articles 51 to 60 are applicable as far as the line of the cadre and the cadres are concerned are also valid concerning the lines of the anchor and the anchors.
- Concerning the cadre of 47 cm one draws four lines which determine the following nine cadres on the billiard: three central rectangles within the length and six squares within the width. (paper C)
- Concerning the cadre of 71 cm one draws three lines which determine the following six squares on the billiard: two central rectangles within the length and four squares within the width. (paper D)
- As far as the cadre disciplines with two strokes are concerned the player does not have the right to execute succesively two cannons within the same cadre in the course of the serie without forcing at least one of the two object-balls to leave it by means of the second stroke.
- The article 73 is analogously applicable to the cadre of 47 cm with 1 stroke.
- As far as the cadre disciplines with 1 stroke are concerned the player does not have the right to execute one single cannon within the same cadre in the course of the serie without forcing at least one of the two object-balls to leave it.
There are two kinds of cushion games, one cushion and three cushions. As far as these games are concerned the billiard is freed from any lines.
As far as one cushion is concerned the cue-ball must have come into contact with at least one cushion before touching the second object-ball if not there will be a foul. (indicated by "no cushion").
As far as three cushions is concerned the cue-ball must have come into contact at least three times with one or several cushions before touching the second object-ball if not there will be a foul (indicated by "no cushion" or "one cushion" or "two cushions").