| (a) | - | where such return or revised return relates to the assessment year commencing on the 1st day of April, 1987, or any earlier assessment year, it may be furnished at any time up to and inclusive of the 31st day of March, 1990 or before the completion of the assessment, whichever is earlier ; |
| (b) | - | where such return or revised return relates to the assessment year commencing on the 1st day of April, 1988, it may be furnished at any time up to and inclusive of the 31st day of March, 1991 or before the completion of the assessment, whichever is earlier.] |