関かん係けい当とう事じ者しゃ殿どの

expression

To whom it may concern

A formal salutation used at the beginning of a letter or document when the recipient is unknown or unspecified. Common in business or official correspondence.

• 関かん係けい当とう事じ者しゃ殿どの、このたびはお世せ話わになっております。

  To whom it may concern, thank you for your continued support.