...
After the IIA is terminated and approved by all, there is no option to revert it back to its previously state. In case you decide that you need it again and you want to use it, you may modify it and send it to the partner to approve the IIA again. After it is mutually approved it may be considered again as valid and the agreement in effect. More information on how to Modify IIA can be found here https://esci-sd.atlassian.net/wiki/x/AgCpEg.
...
Quick Guide: