Compendium LvX said:Q. When you level up to a LV.X Pokemon that is a different type than its predecessor, is the Pokemon considered the new type or dual type?
A. Only Attacks, Poke-POWERs, Poke-BODYs, and Stage classifications are inherited when a Pokemon levels up. The leveled up Pokemon is considered only the new type specified on the LV.X card. (Jan 10, 2008 PUI Rules Team)