Section 158: Wholesale.

1 The Authority shall, following consultations with interested stakeholders, issue
regulations -
a defining the class or classes of customers that shall constitute eligible wholesale customers under this Act, and
b specifying the qualifying criteria for the classification:

Provided that the regulations may be amended from time to time to facilitate the introduction of competition in supply and any amendment of the regulations resulting in a change of the class of customers shall not affect the rights and obligations of parties under natural gas supply contracts entered into prior to such amendment.

2 Wholesale customers shall be entitled to secure marketable natural gas or raw gas from any wholesale gas supplier or lessee, subject to section 173 (3) of this Act.