Simply replace the unfilled areas such as "__" and "_[date]_" with your information.
My name is _[Name]_ and I am the _[title]_ of _[Company]_ located at _[address]_. _[Employee Name]_ has been my employee for over _[number]_ years in the position of _[position]_.
_[Employee Name]_ has been an excellent employee. _[His/Her]_ _[professional trait]_ is highly commendable and of a vital role to this organization. _[He/She]_ is reliable, committed, and a dedicated employee.
To the best of my knowledge, _[Employee Name]_, is, nor ever has been, a financial burden on the government or community or required government assistance. _[He/She]_ is a role model to others and an asset to this country.
I completely support _[Employee Name]_'s immigration application. Please feel free to contact me if you have any questions.