[Home](./index.md) > [@mike-north/devcert-patched](./devcert-patched.md) > [Options](./devcert-patched.options.md) > [renewalBufferInBusinessDays](./devcert-patched.options.renewalbufferinbusinessdays.md) ## Options.renewalBufferInBusinessDays property Number of business days before domain cert expiry before automatic revoke and renew Signature: ```typescript renewalBufferInBusinessDays?: number; ```