I have been able to open the link
http://www.pakistan.gov.pk/divisions...ContentID=5004 having the Office Memorandum for the provincial/regional quota, the text of main paragraph is reproduced as under:
""""The undersigned is directed to state that the Provincial and Regional quotas prescribed in 1973 for direct recruitment to civil posts under the Federal Government vide Establishment Division?s O.M. No. 8/9/72-TRV, dated 31-8-1973 have been reviewed and it has been decided by the Federal Government that
with immediate effect the following merit, and
provincial / regional quotas shall be observed in filling vacancies reserved for direct recruitment to posts under the Federal Government which are filled on All-Pakistan basis""
Perusal of above paragraph reveals that the new quota will be followed for the CSS-2006.