"Provincial Councils would have to operate within the existing limits (of powers)", Minister of Information and government spokesman Keheliya Rambukwella said.
The Northern chief minister-elect K C Wigneswaran was no stranger to these limitations of powers for provinces as he was a judge of the Supreme Court, Rambukwella said.
His comments came as the main Tamil party Tamil National Alliance (TNA) met here today to deliberate on the future functioning of the Northern Provincial Council.
The Supreme Court on Thursday annulled an earlier Appeal Court ruling that provinces have the right to exercise land powers.
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"It is very clear now, the government can't devolve land powers by contravening the constitution", Rambukwella said.
The TNA won 30 out of 36 seats in last week's first-ever Northern Provincial elections in 25 years in the former war-torn region.
Their campaign was based on a programme to force the central government into fully implementing the 1987 India-backed 13th Amendment.
However President Rajapaksa's nationalist allies say unfettered powers to provinces would lead to Tamil-minority dream of separation of the island.