(1) A nonvested property interest or a power of appointment becomes invalid under Code Section 44-6-201;
(2) A class gift is not but might still become invalid under Code Section 44-6-201 and the time has arrived when the share of any class member is to take effect in possession or enjoyment; or
(3) A nonvested property interest that is not validated by paragraph (1) of subsection (a) of Code Section 44-6-201 can vest, but not within 360 years after its creation.