| Option | What to do | Restart? | Reversible? |
|---|---|---|---|
| A. Set PutManager ftACL to zero | Multisig calls setACL(address(0)) on PutManager.Leave ENV as-is. |
No | Yes — setACL(newAddr) to re-gate |
| B. Set merkle root to zero | Call updateMerkleRoot(bytes32(0)) on ACL contract (0xA09d...).Leave ENV as-is. |
No | Yes — set new non-zero root to re-gate |
Recommendation: Option A — single on-chain tx, no deploy, no restart.
{