The proceedings under this Act relating to the combinations shall be terminated upon,-
(a) receiving an intimation from the person(s) or enterprise(s) who filed the notice to the effect that the proposed combination will not take effect;
(b) passing of an order by the Commission under section 31 of the Act.
18. Mode of service of notice(s), etc- Save as otherwise provided in the Act or in these regulations, the service of any notice excluding the notice under sub-section (2) of section 6 of the Act, or intimation to any person or enterprise under these regulations shall be effected in the manner as provided in regulation 22 of the Competition Commission of India (General) Regulations, 2009 or by electronic transmission as considered appropriate by the Commission.