(1) The purchaser at the trustee's sale shall be entitled to possession of the property on the twentieth day following the sale, as against the borrower and grantor under the deed of trust and anyone having an interest junior to the deed of trust, including occupants who are not tenants, who were given all of the notices to which they were entitled under this chapter. The purchaser shall also have a right to the summary proceedings to obtain possession of real property provided in chapter 59.12 RCW.

(2) If the trustee elected to foreclose the interest of any occupant or tenant, the purchaser of tenant-occupied property at the trustee's sale shall provide written notice to the occupants and tenants at the property purchased in substantially the following form:

"NOTICE: The property located at . . . . . . was purchased at a trustee's sale by . . . . . . on . . . . . . (date).

1. If you are the previous owner or an occupant who is not a tenant of the property that was purchased, pursuant to RCW 61.24.060, the purchaser at the trustee's sale is entitled to possession of the property on . . . . . . (date), which is the twentieth day following the sale.

2. If you are a tenant or subtenant in possession of the property that was purchased, pursuant to RCW 61.24.146, the purchaser at the trustee's sale may either give you a new rental agreement OR give you a written notice to vacate the property in sixty days or more before the end of the monthly rental period."

(3) The notice required in subsection (2) of this section must be given to the property's occupants and tenants by both first-class mail and either certified or registered mail, return receipt requested.