The company, in a circular to shareholders dated Wednesday, said it had on February 4 got "a final assessment order from the department", of Rs 10,200 crore plus interest backdated to 2007 totalling Rs 18,800 crore.
"The aggregate amount excludes any applicable penalties which may also be applied to the final assessment (potentially up to 100 per cent of the final assessment order, excluding interest)," it said.
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It added that Cairn strongly contests the final assessment proceedings in India and is pursuing its rights under Indian law to appeal, both in respect of the basis of taxation and the amount assessed. And, to protect from enforcement against the assets of CUHL (Cairn UK Holdings). An e-mail to Cairn seeking clarification on the circular remained unanswered.
The I-T department had in January 2014 issued a draft assessment order of Rs 10,247 crore on alleged capital gains Cairn made in a 2006 reorganisation of its India business. The final assessment order was issued on February 4, 2016.
The notice was, however, issued before Finance Minister Arun Jaitley in his Budget for 2016-17 made a one-time offer to waive interest and penalty if companies paid the principal amount to settle the retrospective tax disputes.
The company said it had on March 11 this year filed a Notice of Dispute under the UK-India Investment Treaty, to protect its legal position and shareholder interests.