Available evidence suggests that first 'Type B' from Nivelles were delivered in January, 1911. As of 11(24).01.1911, #69, 70 and 72 were waiting for primary inspection in the Richelieu Depot. Local authorities were notified about #62 and 65 available for primary inspection and testing on 27.01 (09.02).

However, 1927 inventory has 'in service' date as early as 21.01.1912, which can be a mistake. Most of the group delivered in January was tested and cleared for service in February and March, though 4 to 5 cars were not accepted until July. Still nothing like 251–280 group, which deemed defective en masse and failed both primary inspection and testing spectacularly.

Earliest known assignment for #62 was rt. 15 in September 1912.

In 1921 this car, though battered, was operable and available for service.