(2) Except as otherwise provided by law, payment of benefits for injuries or deaths under this chapter shall be continued as authorized, and in the amounts provided for, by the law in force at the time the injury giving rise to the right to compensation occurred.

(3) When compensation is paid to a claimant or other payment is made to the provider of service pursuant to this chapter, the insurer or self-insured employer shall notify the payment recipient in writing of the specific purpose of the payment. When applicable, the notice shall indicate the time period for which the payment is made and the reimbursable expenses or other bills and charges covered. If any portion of the claim is denied, the notice shall identify that portion of the claimed amounts that is not being paid.

(4) Notwithstanding subsections (1) to (3) of this section, the amendments to ORS 656.325 by section 4, chapter 723, Oregon Laws 1981, and ORS 656.335 (1993 Edition) apply to all workers regardless of the date of injury.

(5) This section does not apply to vocational assistance benefits.

(6) Notwithstanding subsection (2) of this section, the increase in benefits to the surviving spouse of an injured worker made by the amendment to ORS 656.204 (2)(c) (1993 Edition) by section 1, chapter 108, Oregon Laws 1985, applies to a surviving spouse who remarries after September 20, 1985, regardless of the date of injury or death of the worker.

(7) Notwithstanding subsection (2) of this section, the increase in benefits to the surviving spouse of an injured worker made by the amendments to ORS 656.204 (3)(a) and (b) (1997 Edition) by section 2, chapter 927, Oregon Laws 1999, applies to a surviving spouse who remarries on or after October 23, 1999, regardless of the date of injury or death of the worker. [Amended by 1953 c.669 §4; 1953 c.670 §4; 1957 c.718 §3; 1959 c.450 §1; 1965 c.285 §21; 1977 c.430 §6; 1981 c.770 §1; subsection (4) enacted as 1981 c.723 §8; 1985 c.108 §3; 1985 c.600 §6; 1985 c.706 §6; 1985 c.770 §6; 1995 c.332 §12; 1999 c.927 §1]