[NFump]

Labeling Casebook Comments throughout.
Amended rules on pitchers wearing multi-colored gloves (Rules 1.15(a) and 1.15(c).*
Amended definition of League President and added new Case Comment for Major Leagues (Rule 2.00).*
Added gender-neutral reference (Rule 2.00).
Amended rules regarding game baseballs (Rule 3.01(c)).*
Amended rules relating to rosin bags (Rules 3.01(f) and 8.02(a)).*
Amended penalties for pitcher doctoring a ball (Rules 3.02 and 8.02(a)).*
Amended rules on regulation tie games and suspended games (Rules 4.10(d), 4.11(d) and 4.12).*
Amended Case Comment relating to protested games (Rule 4.19).*
Amended rule on consequences of batter refusing to enter batter's box
(Rule 6.02(c)).*
Added experimental pace-of-game rule for National Association play
(Rule 6.02(d)).
Revised Case Comments on catching ball in dugouts and other out of play areas (Rules 6.05(a) and 7.04(c)).*
Eliminated redundant rules on the lane running to first base (Rules
6.05(k) and 7.09(k)).
Added new Case Comment covering batter's use or attempted use of illegal bat (Rule 6.06(d)).*
Amended Case Comment on consequences of catcher's interference (Rule 6.08(c)).*
Amended rules on batter-runner after third strike not caught (Rules 6.09(b) and 7.08(a)).*
Added rule relating to pitched ball touched by detached equipment (Rule 7.05(j)).*
Eliminated redundant rules on batter hitting the ball twice (7.09(b) eliminated and remainder of Rule 7.09 re-classified).
Amended rules on positioning of pitcher's pivot foot on the rubber and delivery (Rules 8.01(a) andd 8.01(b)).*
Added Case Comment relating to pitcher failing to stop at set position with no runners on base (Rule 8.01(b)).*
Amended penalties for possession of a foreign substance (Rule 8.02(b)).*
Amended time limit for pitcher to pitch (Rule 8.04).*
Added Case Comment for penalties for pitcher delaying a game (Rule 8.05(h)).*

Changes marked with an asterisk require the approval of the Major League Players Association for implementation at the Major League level in 2006.

All are in the 2006 edition of The Sporting News Official Baseball Rules.