In this Part an "investment company" means a public company that—
The requirement is—
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notice to the registrar under this section may be revoked at any time by the company on giving notice to the registrar that it no longer wishes to be an investment company within the meaning of this section.
On giving such a notice, the company ceases to be such a company.