Nothing in Parts II to IV shall—
Subsection (1) applies to a provision for conferring benefits on persons of one sex only (disregarding any benefits to persons of the opposite sex which are exceptional or are relatively insignificant), being a provision which is contained in a charitable instrument.
But subsection (1) does not apply to discrimination under section 1 or 2A in its application to sections 29 to 31 unless the conferral of benefits is—