“(1) This section applies where, in the case of a trade, profession or business carried on by two or more persons in partnership- (a) A partner (the representative partner) has been required by a notice served under or for the purposes of section 12AA(2) or (3) of this Act to deliver any return, and (b) He or a successor of his fails to comply with the notice. (2) Each relevant partner shall be liable to a penalty which shall be£100 . (3) … (4) If- (a) the failure by the representative partner or a successor of his to comply with the notice continues after the end of the period of six months beginning with the filing date … each relevant partner shall be liable to a further penalty which shall be£100 . (5) … (6) Where, in respect of the same failure to comply, penalties under subsection (2) … or (4) above are determined under section 100 of this Act as regards two or more relevant partners- (a) no appeal against the determination of any of those penalties shall be brought otherwise that by the representative partner or a successor of his; (b) any appeal by that partner or successor shall be a composite appeal against the determination of each of those penalties; and (c) section 100B(3) of this Act shall apply as if that partner or successor were the person liable to each of those penalties. (7) On an appeal against a determination under section 100 of this Act of a penalty under subsection (2) or (4) above that is notified to the tribunal, beither section 50(6) to (8) nor section 100B(2) of this Act shall apply but the tribunal may- (a) if it appears that throughout the period of default, the person for the time being required to deliver the return (whether the representative partner or a successor of his) had a reasonable excuse for not delivering it, set the determination aside; or (b) if it does not so appear, confirm the determination. (7A) For the purposes of this section the filing date for a year of assessment (Year 1) in the case of a partnership which includes one or more individuals is- (a) 31 st January of Year 2, or (b) … (7B) … (8) In this section- “the filing date” means the day specified in the notice under section 12AA(2) or (3) of this Act; “the period of default”, in relation to any failure to deliver a return, means the period beginning with the filing date and ending with the day before that on which the return was delivered; “relevant partner” means a person who was a partner at any time during the period in respect of which the return was required.”
“Make sure your Tax Return, and any documents asked for, reach us by:31 October 2009 if you complete a paper Tax Return; or31 January 2010 if you file online”