Formal and Informal Language With Business clients

Using Appropriate Language

Informal: Did the managing partner let you know that that we are still waiting for payment?

Formal: Did the managing partner inform you that we are still waiting for payment?

Informal: We must follow the current regulations with regard to public tenders.

Formal: We must comply with the current regulations with regard to public tenders.

Informal: Make sure you email me when you have your director»s signature on the document.

Formal: Please ensure you email me when you have the director»s signature on the document.