anchor.diff:  		_:_ ->
   			{error, 400}
   	end.
  -
   
   -spec patch_pla(Id, Etag, ReqData) -> Result
   	when
  
positive.code: 	{struct, [Id, Href, Name, Description, Version, Status, LastUpdate, Category, Characteristic]}.
  
  %% @hidden
  tariff_table_category() ->
  	Id = {"id", "1"},
  	Href = {"href", ?categoryPath "1"},
  
negative.code: %% @doc Get Resource Specification by ID.
  get_resource_spec("1") ->
  	ResourceSpec = tariff_table_spec(),
  	Body = mochijson:encode(ResourceSpec),
  	Headers = [{content_type, "application/json"}],
  	{ok, Headers, Body};
  get_resource_spec("2") ->
  	ResourceSpec = policy_table_spec(),
  	Body = mochijson:encode(ResourceSpec),
  	Headers = [{content_type, "application/json"}],
  	{ok, Headers, Body};
  