This anomaly arose because certain characters apparently formed a cartel with collaborators in the Nigerian Postal Service, NIPOST and were allegedly collecting and pocketing this money.
Soon after, a non-government organization posited to the administration that the Nigerian government had lost the sum of over N20 trillion to the Nigerian Inter-bank Settlement System ((NIBSS) between 2013-2016 in this regard, claiming that the said sum could be recovered and paid back into the government coffers.