“S12ZB NRCGT return (1) Where a non-resident CGT disposal is made, the appropriate person must make and deliver to an officer of Revenue and Customs, on or before the filing date, a return in respect of the disposal. (2) In subsection (1) the ‘appropriate person’ means – (a) the taxable person in relation to the disposal.... ... (8) The ‘filing date’ for an NRCGT return is the 30th day following the day of the completion of the disposal to which the return relates. But see also section 12ZJ(5).”
"should be judged by the standards of reasonableness one would expect to be exhibited by a taxpayer who had a responsible attitude to his duties as a taxpayer, but who in other respects shared such attributes of the particular Appellant as the tribunal considered relevant to the situation ... thus though such a taxpayer would give reasonable priority to complying with his duties in regards to tax and would conscientiously seek to ensure his returns were accurate and made timeously, his age and experience, his health and the incidence of some particular difficulty or misfortune ... they all have a bearing on whether ...[he] had a reasonable excuse."
“For the purposes of this act, the person shall be deemed not to have failed to do anything required to be done within a limited time if he did it within such further time, if any, as the board or the tribunal or officer concerned may have allowed; and where a person had a reasonable excuse for not doing anything required to be done he shall be deemed not to have failed to do it unless the excuse ceased and, after the excuse ceased, he shall be deemed not to have failed to do it if he did it without unreasonable delay after the excuse had ceased…”