▁ ▁H ous ing ▁( N or thern ▁Ireland ) ▁Order ▁ 1 9 8 1 ▁S . I . ▁ 1 9 8 1 / 1 5 6 ▁( N . I . ▁ 3 ) ▁ ▁C lean ▁Air ▁( N or thern ▁Ireland ) ▁Order ▁ 1 9 8 1 ▁S . I . ▁ 1 9 8 1 / 1 5 8 ▁( N . I . ▁ 4 ) ▁ ▁Le ase hold ▁( En larg ement ▁and ▁Ext ension ) ▁Am end ment ▁( N or thern ▁Ireland ) ▁Order ▁ 1 9 8 1 ▁S . I . ▁ 1 9 8 1 / 1 5 9 ▁( N . I . ▁ 5 ) ▁ ▁The ▁County ▁of ▁W ilt shire ▁( E lect oral ▁Arr ang ements ) ▁Order ▁ 1 9 8 1 ▁S . I . ▁ 1 9 8 1 / 1 6 5 ▁ ▁The ▁County ▁of ▁Hum bers ide ▁( E lect oral ▁Arr ang ements ) ▁Order ▁ 1 9 8 1 ▁S . I . ▁ 1 9 8 1 / 1 6 7 ▁ ▁The ▁Af an ▁( Comm un ities ) ▁Order ▁ 1 9 8 1 ▁S . I . ▁ 1 9 8 1 / 1 8 2 ▁ ▁The ▁O sw est ry ▁( Par ishes ) ▁Order ▁ 1 9 8 1 ▁S . I . ▁ 1 9 8 1 / 1 8 6 ▁ ▁The ▁County ▁of ▁Dur ham