Little League has changed the age requirements to better line up with school ages.
If your child was born between January 1 and April 30, there has been no impact in any of the Age Determination Date changes.
If your child was born between May 1 and August 31, there is no change from the previous age change and implementation.
If your child was born between September 1 and December 31, he or she essentially reverts back to where they were from a League Age standpoint prior to the 2015 season, and, like those born between January 1 and April 30, there is no impact on them.
Here is the link to the Little League web site.