(a) If, upon the hearing, it appears to the satisfaction of the court that the will of a resident or nonresident has been proved and admitted to probate outside this state and that it was executed according to the law of the place in which it was made, or in which the testator resided at the time of its execution or of the testator’s death or in conformity with the laws of this state, it shall be admitted to probate with the same force and effect as the original probate of a will.

(b) The amendments to this section on July 1, 1982, and on the effective date of this act are declarations of the meaning of this section as it existed on June 30, 1982, and shall apply to any will, whether proved and admitted to probate outside this state before or after July 1, 1982, or before or after the effective date of this act.