CHANGES IN THE BASKETBALL RULES - 1941-42 The fan-shaped backboard has been adopted as the official backboard. General specifications are given in this Rule. Rule 4. Section 1, Note 2 --The molded type of ball is recommended because of its aperiority to other types with respect to shape, reaction and durability. Rule 5. Section 3 --It is legal to make a substitution whenever the ball is dead. The effect of this change is to make it possible for a substitute to enter the game after a field goal. In other respects the substitution rule is the same as it wes last year. Rule 8. Section 5: Rule 13 --Sections 6 and 7 --These sections have been modified to clarify the procedure when a foul by one team is followed before time is in by another foul by either team. One change should be noted: if a pere sonal foul is followed before time is in by a technical foul by the same team, the throw for the technical foul is attempted last; that is, free throws are attempted in the order in which the fouls are called. Rule 10. Section 1 and Note --This section has been amplified and in cludes some of the provisions formerly found in Rule 7, Section 2. The first Note describes the use of the tree- foot restraining line when the space out-of-bounds is limit and if a restraining line has not been drawn, an imaginary line should be used. Rule 14. Section 11 --The three-seconds lane restriction applies only to that part of the free throw lane between the free throw 1 and the end line. If a player is touching the free throw line while the ball is in play and in control of his team he subject to this restriction; but if he is touching the floor only in the outer half of the circle, with or without the ba: he is not subject to it. Rule 15. Section 2 --Several specific acts of unsportsmanlike conduct are listed in this section. ; Rule 15. Section 11, Penalty --The wording and structure of (b), (c) and (d) have been changed slightly.