Thanks for the question.
My understanding is that with respect to the GC Strategies contract, CBSA approached the department and said they had a requirement to move quickly to build a technology solution to support their administration of the borders and to protect the health of Canadians from COVID-19. They had identified GC Strategies as a firm with the ability, the readiness and the capability to do it, and they had a sole-source justification for going forward with that firm.