These constant verifications provide ongoing validity of the network. (thecollegeinvestor.com)
Ensuring ongoing validity and reliability will be part of the process for demonstrating that a tool has been appropriately implemented (with fidelity). (aitsl.edu.au)
It is very difficult for Christian theology to acknowledge the ongoing validity of the covenant with the Jewish people and yet confess with St. Paul «that at the name of Jesus every knee should bow... and every tongue confess that Jesus Christ is Lord.» (firstthings.com)