(1) Subject to the provisions of section 5, a transfer of a Government security shall be made only in the manner prescribed for the making of transfers of securities of the class to which it belongs, and no transfer of a Government security which-
(i) is made after the 30th April, 1946 , in the case of a security issued by the Central Government,
(ii) is made after the 31st March, 1949 , in the case of a security issued by the Government of a Part A State,
(iii) is made after the 14th October, 1956 , in the case of a security issued by the Government of a Part B State other than Jammu and Kashmir, 4[
(iv) is made on or after the 1st day of November, 1956 , in the case of a security issued on or after that day by the Government of any State other than Jammu and Kashmir, 5[ and]
(v) 6[ is made on or after the 1st day of September, 1972 , in the case of a security issued on or after that day by the Government of the State of Jammu and Kashmir,]
shall be valid if-] (a) it does not purport to convey the full title to the security, or
(b) it is of such a nature as to affect the manner in which the security was expressed by 1[ the Government] to be held,