s94A & s144 of the 1931 Act requires that the following information is included within a business letter: 

(a) Company number and that it is registered in the Isle of Man 

(b) Registered office address 

(c) If the Company is a limited company that has been granted a licence omit the word Limited from its name (eg a Charity) then it must state that it is a limited company. 

(d) If the Company states its share capital,  it must state the ‘paid up’ amount. 

(e) The names of each of the directors of the Company – and in certain limited cases their former names (if any). Note – Nationalities of directors are no longer required to be shown on letterheads.

Resources

(1) Sample Letterhead. (in progress)