(1)(a) RCW 64.55.010 through 64.55.090 apply to any multiunit residential building for which the permit for construction or rehabilitative construction of such building was issued on or after August 1, 2005.

(b) RCW 64.55.010 and 64.55.090 apply to conversion condominiums as defined in RCW 64.34.020 or conversion buildings as defined in RCW 64.90.010, provided that RCW 64.55.090 shall not apply to a condominium conversion for which a public offering statement had been delivered pursuant to chapter 64.34 RCW prior to August 1, 2005.

(2) RCW 64.55.010 and 64.55.100 through 64.55.160 and 64.34.415 apply to any action that alleges breach of an implied or express warranty under chapter 64.34 RCW or that seeks relief that could be awarded for such breach, regardless of the legal theory pleaded, except that RCW 64.55.100 through 64.55.160 and 64.34.415 shall not apply to:

(a) Actions filed or served prior to August 1, 2005;

(b) Actions for which a notice of claim was served pursuant to chapter 64.50 RCW prior to August 1, 2005;

(c) Actions asserting any claim regarding a building that is not a multiunit residential building;

(d) Actions asserting any claim regarding a multiunit residential building that was permitted on or after August 1, 2005, unless the letter required by RCW 64.55.060 has been submitted to the appropriate building department or the requirements of RCW 64.55.090 have been satisfied.

(3) Other than the requirements imposed by RCW 64.55.010 through 64.55.090, nothing in this chapter amends or modifies the provisions of RCW 64.34.050.