- I.T.A.⇄I.T.A. orITA (2) (no periods),
Independent Television Authority (Great Britain's commercial television network, replaced in 1971 by the Independent Broadcasting Authority, or I.B.A.). - i.t.a.⇄ITA (1) (no periods)ori.t.a.
Initial Teaching Alphabet (a code supposedly to give closer phonetic regularity than traditional spelling).