(1) A power of attorney executed in this state on or after January 1, 2013, is valid if its execution complies with section 30-4005. The county court and the district court of the principal's domicile shall have concurrent jurisdiction to determine the validity and enforceability of a power of attorney.

(2) A power of attorney executed in this state before January 1, 2013, is valid if its execution complied with the law of this state as it existed at the time of execution.

(3) A power of attorney executed other than in this state is valid in this state if, when the power of attorney was executed, the execution complied with:

(a) The law of the jurisdiction that determines the meaning and effect of the power of attorney pursuant to section 30-4007; or

(b) The requirements for a military power of attorney pursuant to 10 U.S.C. 1044b, as amended.

(4) Except as otherwise provided by statute other than the Nebraska Uniform Power of Attorney Act, a photocopy or electronically transmitted copy of an original power of attorney has the same effect as the original.