undertake(принимать на себя ответственность за сохранность = undertake to keep safe. The CTL also contains custodial provisions pursuant to which a bank may undertake to keep safe a customer's assets on payment of an agreed safe deposit ... Alexander Demidov)
adopt responsibility(With less than six months to go before councils adopt responsibility for public health from the NHS in April 2013, much depends on successful collaboration between cross-sector agencies.aldrignedigen)