Notice to Tenant to Attorn
To
AB (Tenant)
Re: Premises No
Dear Sir
I, the undersigned CD, hereby authorise and request you, the above-named AB, forthwith to attorn to and become a direct tenant of EF of etc. (the purchaser or mortgagee, etc) in respect of the above-mentioned house which you hold under me as my tenant; I further authorise and request you to pay to the said EF, his heirs, executors, administrators or assigns, all such rent as (now is and) hereafter shall from time to time become due by you for or in respect of the said premises (or, etc.); and for so doing, this shall be to you a sufficient warrant and authority.
Signed at……….., this…………day of……..2000
Yours faithfully CD 
                                                                                              (Landlord)