National January 21, 2021 ISLAMABAD: The agreement signed by the National Accountability Bureau (NAB) and Broadsheet LLC in June 2000 was open-ended, not time-bound and was to remain in force for an indefinite period until the onerous task assigned to the assets recovery firm was achieved. The contract between the two parties was also binding on successive NAB chairmen. The document states: “The agreement will operate for the benefit of and be binding on any respective successors in title and permitted assignees of the parties provided that neither party will assign, transfer or part with any rights or interests temporarily or otherwise without the written consent of the other.”