(b) If a portion of such real property is actually and exclusively used by any person whose real property would not be so entitled to an exemption, such portion shall be subject to taxation, special ad valorem levies and special assessments and the remaining portion only shall be exempt as provided herein subject to the provisions of paragraph (c) of this subdivision.
(c) The portion of real property which would otherwise be subject to taxation, special ad valorem levies and special assessments under paragraph (b) of this subdivision shall be exempt therefrom for purposes of any municipal corporation in which such property is located only if the governing body of such municipal corporation, after a public hearing, adopts a local law, ordinance or resolution so providing. 3. Real property owned by a soldiers' monument corporation organized pursuant to section fourteen hundred five of the not-for-profit corporation law shall be eligible for full or partial exemption from taxation as provided in this section if:
(a) such property is not used in such manner as entitles it to exemption pursuant to section four hundred forty-two of this chapter, and
(b) the membership of such corporation is composed of specified veterans as provided in subdivision one of this section, and
(c) such property is, notwithstanding any provision of such corporation's certificate of incorporation to the contrary, actually and exclusively used and occupied by such corporation in a manner otherwise entitling it to exemption under subdivision one or two of this section.