▁I TA ▁awarded ▁more ▁franch ises ▁until ▁the ▁whole ▁country ▁was ▁covered ▁by ▁four teen ▁regional ▁stations , ▁all ▁launched ▁by ▁ 1 9 6 2 . ▁ ▁The ▁network ▁has ▁been ▁modified ▁several ▁times ▁through ▁franch ise ▁reviews ▁that ▁have ▁taken ▁place ▁in ▁ 1 9 6 3 , ▁ 1 9 6 7 , ▁ 1 9 7 4 , ▁ 1 9 8 0 ▁and ▁ 1 9 9 1 , ▁during ▁which ▁broadcast ▁regions ▁have ▁changed ▁and ▁service ▁operators ▁have ▁been ▁replaced . ▁Only ▁one ▁service ▁operator ▁has ▁ever ▁been ▁declared ▁bank rupt , ▁W WN ▁in ▁ 1 9 6 3 , ▁with ▁all ▁other ▁operators ▁leaving ▁the ▁network ▁as ▁a ▁result ▁of ▁a ▁franch ise ▁review . ▁Se par ate ▁week end ▁franch ises ▁were ▁removed ▁in ▁ 1 9 6 8 ▁( with ▁the ▁exception ▁of ▁London ) ▁and ▁over ▁the ▁years ▁more ▁services ▁were ▁added ; ▁these ▁included ▁a ▁national ▁breakfast ▁franch ise ▁from ▁ 1 9 8 3 ▁on ward — oper ating ▁between ▁ 6 : 0 0 ▁am ▁and ▁ 9 : 2 5 ▁am — and ▁a ▁tele text ▁service . ▁The ▁Broadcast ing ▁Act ▁ 1 9 9 0 ▁changed ▁the ▁nature ▁of ▁I TV ; ▁the ▁then ▁reg ulator ▁the ▁I BA ▁was ▁replaced ▁with ▁a ▁light - touch ▁reg ulator , ▁the ▁I TC ; ▁companies ▁became ▁able ▁to ▁purchase ▁other ▁I TV ▁regional ▁companies ▁and ▁franch ises ▁were ▁now ▁being ▁awarded ▁based ▁upon ▁a ▁highest - bid