Section 311-A. Personal service on limited liability companies

(a) Service
  of process on any domestic or foreign limited liability company shall be
  made by delivering a copy personally to (i) any member  of  the  limited
  liability  company  in  this  state,  if  the  management of the limited
  liability company is vested in its members,  (ii)  any  manager  of  the
  limited  liability  company  in  this  state,  if  the management of the
  limited liability company is vested in one or more  managers,  (iii)  to
  any other agent authorized by appointment to receive process, or (iv) to
  any  other person designated by the limited liability company to receive
  process, in the manner provided by law for service of a  summons  as  if
  such person was a defendant. Service of process upon a limited liability
  company  may  also  be  made  pursuant  to  article three of the limited
  liability company law.
    (b) If service is impracticable under subdivision (a) of this section,
  it may be made in such manner as the court, upon motion without  notice,
  directs.