Wash. Rev. Code § 31.04.405
(1) In addition to complying with any applicable federal program requirements, a student education loan servicer must comply with the following requirements:
(c) The servicer must make reasonable attempts to comply with a borrower's request for information about the student education loan account and to respond to any dispute initiated by the borrower about the loan account. The servicer:
(ii) Must provide a written statement to the borrower within fifteen business days of receipt of a written request from the borrower. The borrower's request must include the name and account number, if any, of the borrower, a statement that the account is or may be in error, and sufficient detail regarding the information sought by the borrower to permit the servicer to comply. At a minimum, the servicer's response to the borrower's request must include the following information:
(2) In addition, a borrower may request more detailed information from a servicer, and the servicer must provide the information within fifteen business days of receipt of a written request from the borrower. The request must include the name and account number, if any, of the borrower, a statement that the account is or may be in error, and provide sufficient detail to the servicer regarding information sought by the borrower. If requested by the borrower this statement must include:
(3) When acquiring servicing rights from another servicer, a receiving servicer must:
(a) Notify the student education loan borrowers no more than sixty days and no less than forty-five days before the effective date of the transfer of the students' loans to provide them with:
(4) When transferring or selling the servicing of loans a transferring servicer must:
(a) Notify the student education loan borrowers no more than sixty days and no less than forty-five days before the effective date of the transfer of the students' loans to provide them with:
[ 2018 c 62 s 6.]