(a) This Code section and Code Section 10-6B-19 shall apply retroactively to powers of attorney created before July 1, 2018. The remainder of this chapter shall not apply to a power of attorney executed before July 1, 2017.

(b) When this chapter applies to a power of attorney pursuant to Code Section 10-6B-3, Chapter 6 of this title shall not apply to such power of attorney.

(c) When, other than this Code section and Code Section 10-6B-19, this chapter does not apply to a power of attorney:

(1) It shall not affect the application of Chapter 6 of this title; and

(2) The former provisions of Article 7 of Chapter 6 of this title, as such existed on June 30, 2017, shall remain applicable.