Section 41. Foreign corporations

Any  foreign  non-profit  or cooperative
  corporation supplying or authorized to supply electric energy and owning
  or operating electric transmission or distribution lines in an  adjacent
  state  may  construct  or acquire extensions of such lines in this state
  within an area no point of  which  is  more  than  ten  miles  from  the
  boundary  line  of this state and operate such extensions, provided that
  any such  corporation  shall,  before  constructing  or  operating  such
  extensions,  by an instrument executed and acknowledged on its behalf by
  its  president  or  vice-president,  under  its  seal  attested  by  its
  secretary, and filed in the department of state, designate the secretary
  of  state  its  agent  to  accept  service  of  process  on  its behalf.
  Thereafter,  such  corporation  shall  have  all  the  rights,   powers,
  privileges  and immunities of a cooperative, and shall be subject to the
  provisions of this chapter.  In the event any process  shall  be  served
  upon  the  secretary  of  state,  he shall forthwith forward the same by
  registered mail to such corporation at the address thereof specified  in
  the aforesaid instrument.