The procedure to transfer sponsorship in Saudi Arabia has already been covered in detail here. Within the boundaries of transfer of sponsorship we are going to base on the demand letter in this article.
The demand letter is a legal writing that your new employer will have to write to your current sponsor requesting the transfer of sponsorship as part of the earlier procedure. A sample of the demand letter is provided below just in case you are not familiar with this letter.
Moreover, it is mandatory that the letter be signed by the new company and the person whose signature is acceptable by the Chamber of Commerce.