(1B)Where the income disclosed in the application relates to only one previous year,—(i)if the applicant has not furnished a return in respect of the total income of that year, then, tax shall be calculated on the income disclosed in the application as if such income were the total income;(ii)if the applicant has furnished a return in respect of the total income of that year, tax shall be calculated on the aggregate of the total income returned and the income disclosed in the application as if such aggregate were the total income.