. . . . . . . . . . . . . . . . . . . . . . . "shall, if the total income in respect of which such 34a[research association], news agency, association or institution, fund or trust or university or other educational institution or any hospital or other medical institution or trade union 35[or body or authority or Board or Trust or Commission or infrastructure debt fund] is assessable, without giving effect to the provisions of section 10, exce" . . .