ISAF has approved the latest submissions to change the 29er Class Rules.  The full rules are available on the Technical section of this website.  Below is a summary of the recent changes: in effect as of 1 February, 2012.

Rule B.4.1
Amendment:  Delete “If” and replace with “Where” in the first line of the rule.
Rule C.1.1(b)
Amendment:  Add “This changes RRS 42.2(a), RRS 42.2(b) and RRS 42.2(c)” to the end of the rule.

Rule C.7.1(g)
Amendment: Delete the current rule and replace with the following:
(g) The daggerboard case packing may be of any material and shall not extend less than 20mm or more than 100mm from the top and bottom of the case.

Rule C.8.1(d)
Amendment: Delete “replaced by” and replace with “of” so the rule now reads as follows:
(d) The rudder head packing may be of any material.

Rule C.9.6(a)(i)    
Amendment: Delete “3500mm” and replace with “3350mm” so the rule now reads as follows:
“Trapeze lines shall include a minimum of 3350mm of stainless steel wire”. 
Rule C.10.3 (a)    
Amendment:  Delete existing rule and replace with the following:
(i)  The national letters and the sail numbers shall be black and shall comply with RRS G.1.2 except where specified in C.10.3 (ii).
(ii) National letters shall be placed in in front of or above the sail numbers for which both shall comply with the specifications in the RRS Appendix G1.2 for boats under 3.5 metres.  29er sail numbers placement doc
 (iii)  The national letters and the sail numbers shall be wholly between the 2nd and 4th batten pockets from the head point.
(iv) The base of the national letters and the sail numbers shall be approximately parallel to the batten pockets
(v)  The sail number shall be either:
(1)  If either of the crew has finished in the top 25 in the preceding 29er world championship their sail number may be that place, 1st to 9th single digit, otherwise two digits.
(2)  Otherwise, the sail number shall be that shown on the ISAF hull plaque.
(3) Should there be multiplicity in numbers due to C.10.3(a) (v) (1), a race committee may make an arrangement suitable for the duration of the event involved.
Rule E.3  
Amendment: Delete “IHC” and replace with “equipment”.

Rule F.3  
Amendment: Delete “IHC” and replace with “equipment”.