rtokens: Langmore , 57 , announced in November that he intended to resign from parliament to take up a position as Australia 's senior representative at the United Nations headquarters in New York .
pos: NN VBD VBG JJ NNS IN DT NN , PRP$ NN VBD .
tokens: Halverson was considering possible dates for the by-election , his office said .
ltokens: " Halverson announced that he had received today from Mr John Vance Langmore , a letter resigning his place as member of the House of Representatives for the electoral division of Fraser in the Australian Capital Territory , " his office said in a statement .