Section 970-M. Amendment of redevelopment plan

If at any time after the
  adoption of a redevelopment plan for a project area by  the  legislative
  body,  it  becomes  necessary or desirable to amend or modify such plan,
  the legislative body may by resolution amend such plan. Such  amendments
  may  include  a change in the boundaries of the project area to add land
  to or, prior to the issuance of indebtedness pursuant  to  section  nine
  hundred  sixty-o  as  provided  by such redevelopment plan, exclude land
  from the project area. An amendment or modification of the plan shall be
  approved pursuant to  subdivisions  (a)  through  (g)  of  section  nine
  hundred  sixty-h  of  this article. Upon adoption of the amended plan by
  the legislative body the legislative body  shall  transmit  the  amended
  plan as provided by subdivision (h) of such section.