“overhead expenditure” in respect of a pre-competitive research project, means an expenditure made by or on behalf of a taxpayer or a partnership in respect of scientific research and experimental development undertaken as part of such a project, other than(a) an expenditure of a current nature incurred for, and all or substantially all of which was attributable to, the lease of premises, facilities or equipment for the prosecution of scientific research and experimental development undertaken in Canada, except an expenditure in respect of general purpose office furniture or equipment;
(b) an expenditure incurred in respect of the prosecution of scientific research and experimental development in Canada directly undertaken on behalf of the taxpayer or the partnership, as the case may be;
(c) an expenditure of a capital nature that at the time it was incurred was for the provision of premises, facilities or equipment, except an expenditure in respect of general purpose office furniture or equipment, where at that time it was intendedi. that such premises, facilities or equipment would be used, during all or substantially all of their operating time in their expected useful life, for the prosecution of scientific research and experimental development undertaken in Canada, or
ii. that all or substantially all of their value would be consumed in the prosecution of scientific research and experimental development undertaken in Canada;
(d) that portion of an expenditure incurred in respect of the salary or wages of an employee who is directly engaged in scientific research and experimental development in Canada that may reasonably be considered to be attributable to such work having regard to the time spent by the employee therein and, for that purpose, if all or substantially all of the employee’s working time is spent on such scientific research and experimental development, that portion of the expenditure is deemed equal to the amount of the expenditure;
(e) an expenditure incurred in relation to the cost of materials consumed in the prosecution of scientific research and experimental development undertaken in Canada;
(f) one-half of any other expenditure of a current nature incurred in respect of the lease of premises, facilities or equipment used primarily for the prosecution of scientific research and experimental development undertaken in Canada, except an expenditure in respect of general purpose office furniture or equipment;