extension of time within which grounds of appeal may be filed - whether extension can be granted - reasonable cause - s 66 of the Inland Revenue Ordinance
whether taxpayer was carrying on business in Hong Kong and whether profits arose in or were derived from Hong Kong - whether taxpayer was a financial institution and whether interest received arose through or from the carrying on by the taxpayer of its business in Hong Kong - ss 14 and 15 of the Inland Revenue Ordinance