The cost of registering copyright goes up July 1, 2006, the U.S. Copyright Office has announced on their Web site.
Registering a single photograph or groups of photographs goes up $15 USD to the new price of $45 USD. Renewing a copyright without an addendum increases from $60 to $75, and renewing a copyright with an addendum goes up from $30 to $220.
Continue reading summary at the National Press Photographers Association
New rate schedule at the US Copyright Office