Section 305. Registered agent for service of process

(a)  In  addition to such designation of the secretary of state, every
  domestic corporation or authorized foreign corporation may  designate  a
  registered   agent   in  this  state  upon  whom  process  against  such
  corporation may be served. The agent shall be a natural person who is  a
  resident  of  or  has  a  business  address  in this state or a domestic
  corporation or foreign corporation  of  any  type  or  kind  formed,  or
  authorized to do business in this state, under this chapter or under any
  other statute of this state.
    (b) Any such designation of a registered agent may be made, revoked or
  changed as provided in this chapter.
    (c)  A  registered  agent  may  resign  as  such agent. A certificate,
  entitled "Certificate of resignation of registered agent  of  ..........
  (name  of  designating  corporation)  under  section 305 of the Business
  Corporation Law", shall be signed by him and delivered to the department
  of state. It shall set forth:
    (1)  That  he  resigns  as  registered  agent  for   the   designating
  corporation.
    (2)  The  date the certificate of incorporation or the application for
  authority of the designating corporation was filed by the department  of
  state.
    (3)  That  he  has  sent  a  copy of the certificate of resignation by
  registered mail to  the  designating  corporation  at  the  post  office
  address  on file in the department of state specified for the mailing of
  process or if such address is the address of the registered agent,  then
  to  the office of the designating corporation in the jurisdiction of its
  formation or incorporation.
    (d) The designation of a registered agent shall terminate thirty  days
  after  the  filing  by  the  department  of  state  of  a certificate of
  resignation or a certificate containing a revocation or  change  of  the
  designation, whichever is filed earlier. A certificate designating a new
  registered  agent  may  be  delivered  to the department of state by the
  corporation within the thirty days or thereafter.