For purposes of this chapter:

“Child sexual abuse” means any of the offenses described under chapter 707, part V, when committed against a person under the age of eighteen years or as set forth in paragraph (2) of the definition of “harm” in § 587A-4.

“Serious physical child abuse” means any of the offenses described in paragraph (1) of the definition of “harm” set forth in § 587A-4 when the offense rises to the degree of a felony as defined in § 701-107.