(a) Unless the power of attorney otherwise provides, language in a power of attorney granting general authority with respect to claims and litigation authorizes the agent to:
(1) Assert and maintain before a court or administrative agency a claim, claim for relief, cause of action, counterclaim, offset, recoupment or defense, including an action to recover property or other thing of value, recover damages sustained by the principal, eliminate or modify tax liability, or seek an injunction, specific performance or other relief;