Here is a sample template you can use to write an authorization letter for a land title.
To Whomsoever It May Concern
This letter is to bring to your notice that I am the registered owner of the undersigned property. I would hereby like to authorize [Name], for the land title on my behalf. [He/She] shall be the authorized owner of this land and [his/her] acts shall have the same effect as of my own.
I grant [him/her] the authority to operate unhindered on the concerns related to this matter until further notice. I have passed on the required documents to the applicant and your cooperation is requested for the same. In case of any further concerns or clarifications, feel free to contact me at [Phone no.].