"Sec. 3   RCW 19.29A.050 and 2000 c 213 s 3 are each amended to read as follows:
     (1) Beginning in 2001, each retail supplier ((shall)) may choose to provide to its existing and new retail electric customers its annual fuel mix information by generation category as ((required)) specified in RCW 19.29A.060.
     (2) Disclosures ((required)) specified under subsection (1) of this section shall be provided through a disclosure label presented in a standardized format as required in RCW 19.29A.060(7).
     (3) Except as provided in subsection (5) of this section, each retail supplier shall provide the disclosure label:
     (a) To each of its new retail electric customers at the time service is established;
     (b) To all of its existing retail electric customers, as a bill insert or other mailed publication, not less than semiannually; and
     (c) As part of any marketing material, in paper, written, or other media format, that is used primarily to promote the sale of any specific electricity product being advertised, contracted for, or offered for sale to current or prospective retail electric customers.
     (4) In addition to the disclosure requirements under subsection (3) of this section, each retail supplier shall provide to each electric customer it serves, at least two additional times per year, a publication that contains either:
     (a) The disclosure label;
     (b) A customer service phone number to request a disclosure label; or
     (c) A reference to an electronic form of the disclosure label.
     (5) Small utilities and mutual light and power companies shall provide the disclosure label not less than annually through a publication that is distributed to all their retail electric customers, and have disclosure label information available in their main business office. If a small utility or mutual company engages in marketing a specific electric product new to that utility it shall provide the disclosure label described in subsection (3)(c) of this section.

NEW SECTION.  Sec. 4   A new section is added to chapter 19.29A RCW to read as follows:
     The provisions of RCW 19.29A.050 and 19.29A.060 only apply to a consumer-owned utility or investor-owned utility that voluntarily chooses to comply."