17 CFR §275.203-2

1. (a)Form ADV-W. You must file Form ADV-W (17 CFR 279.2) to withdraw from investment adviser registration with the Commission (or to withdraw a pending registration application).
2. (b)Electronic filing. Once you have filed your Form ADV (17 CFR 279.1) (or any amendments to Form ADV) electronically with the Investment Adviser Registration Depository (IARD), any Form ADV-W you file must be filed with the IARD, unless you have received a hardship exemption under § 275.203-3.
3. (c)Effective date—upon filing. Each Form ADV-W filed under this section is effective upon acceptance by the IARD, provided however that your investment adviser registration will continue for a period of sixty days after acceptance solely for the purpose of commencing a proceeding under section 203(e) of the Act (15 U.S.C. 80b-3(e)).
4. (d)Filing fees. You do not have to pay a fee to file Form ADV-W through the IARD.
5. (e)Form ADV-W is a report. Each Form ADV-W required to be filed under this section is a “report” within the meaning of sections 204 and 207 of the Act (15 U.S.C. 80b-4 and 80b-7).