Civil Service Personnel Rule 123

123. Under the following circumstances, the head of service personnel organization may lay down the appropriate terms and conditions and allow the joining time not exceeding the maximum limit of 30 days and without failing to achieve the objectives of joining time:
(a) a service personnel may not use the ordinary mode of travel;
(b) there is some delay on the way as a consequence of any situation even though the service personnel does his best to avoid it;
(c) a service personnel misses the vehicle or has to wait for departure of the vehicle but it is not because of his fault;
(d) a service personnel gets seriously ill on the journey;
(e) a service personnel cannot use the ordinary route due to the situation of the region and has to use the other route and the sufficient reason for using it can be given;
(f) there are other sufficient reasons.