Every such claim (other than claims 1[ of the Government] not notified to the manager within the time and in the manner required by such notice shall, except as provided in 1The original words to Government have successively been amended by A.O., 1937, and A.O., 1961, Art. 2 (with effect from the 23rd March, 1956), to read as above. 2Subs. b...