The following definitions apply to this subchapter:

(1) "Account administrator" means, in addition to the definition found in 15-61-102, MCA, any person, partnership, limited liability company, limited liability partnership, or corporation that acts as a third party fiduciary to administer a medical savings account and is either a bank, savings and loan, credit union, or trust company, a health care insurer, a certified public accountant, or an employer who is self-insured under ERISA.

(2) "Child" means a son, stepson, daughter, stepdaughter, or legally adopted son or daughter of the taxpayer.

(3) "Last business day" means the last day of the account administrator's business year.

(4) "Long-term care" means necessary or medically necessary diagnostic, preventive, therapeutic, rehabilitative, maintenance, or personal care provided for a period of no fewer than 12 consecutive months in a setting other than an acute care unit of a hospital.

(5) "Recovery" means the return or recoupment of amounts that were previously deducted in Montana taxable income or credited against Montana tax in any prior taxable year.

(6) "Self-administered" refers to accounts that are administered by the account holder for their own benefit.