Source: https://pakistanconstitutionlaw.com/article-246-tribal-areas/
Timestamp: 2019-04-22 08:14:50+00:00

Document:
Section 91(a) of the Constitution (Eighteenth Amendment) Act, 2010 (10 of 2010), substituted the said words, in place of the words, “Balochistan” and “North West Frontier”, in sub-paragraph (i) of paragraph (a) of Art. 246 and omitted the word “and” at the end of said sub-paragraph, (w.e.f. April 19, 2010).
(iv) Tribal Areas adjoining Tank District.
Section 4(a) of the Constitution (Sixth Amendment) Act, 1976 (84 of 1976), inserted the said words and comma in sub-paragraph (i) of paragraph (b) of Art. 246, that were deemed to be a part of said sub-paragraph (w.e.f. October 1, 1976).
Section 4(a) of the Constitution (Sixth Amendment) Act, 1976 (84 of 1976), substituted the said word, in place of the word “Hazara” in sub-paragraph (i) of paragraph (b) of Art. 246 that was also deemed to be a part of the said sub-paragraph (w.e.f. October 1, 1976).
Section 8(i) of the Constitution (Twenty-fifth Amendment) Act, 2018 (XXXVII of 2018), omitted the word, “and” , at the end of paragraph (b) of Art. 246, (w.e.f. June 4, 2018).
Section 7(ii)(a) of the Constitution (Nineteenth Amendment) Act, 2010 (1 of 2011), inserted new sub-paragraph (iiia), after sub-paragraph (iii) of paragraph (c) of Art. 246, (w.e.f. January 1, 2011).
Section 7(ii)(b) of the Constitution (Nineteenth Amendment) Act, 2010 (1 of 2011), inserted new sub-paragraph (iva), after sub-paragraph (iv) of paragraph (c) of Art. 246, (w.e.f. January 1, 2011).
Section 8(ii)&(iii) of the Constitution (Twenty-fifth Amendment) Act, 2018 (XXXVII of 2018), substituted the semi colon and the word “and”, in place of the full stop at the end of paragraph (c) of Art. 246 and thereafter added the said new paragraph (d), in its present form, (w.e.f. June 4, 2018).

References: Art. 246
 Art. 246
 Art. 246
 Art. 246
 Art. 246
 Art. 246
 Art. 246