(55)It is important to ensure that resolution authorities have the necessary flexibility, in a range of circumstances, to place the undertaking in resolution in a solvent run-off, to transfer its assets, rights and liabilities in the best conditions for policy holders, or to allocate remaining losses. It is therefore appropriate to lay down that resolution authorities should be able to apply the write-down or conversion tool both where the objective is to resolve the failing insurance or reinsurance undertaking as an undertaking in solvent run-off, and where critical insurance services are transferred while the residual part of the insurance or reinsurance undertaking ceases to operate and is wound up. In that context, the restructuring of insurance liabilities might be warranted to ensure the continuation of a material portion of the insurance coverage and where that is deemed to be in the best interest of the policy holders.