What Are Letters Testamentary and Letters of Administration In Estate Planning?

What Does Letters of Testamentary/Letters of Administration Mean In Estate Planning?

The official appointment of the personal representative/executor to probate the estate.  Generally, letters testamentary are issued 
when there is a will and letters of administration are issued when there is no will.

Example of Letters of Testamentary/Letters of Administration In Regards To Estate Planning

When my mom died, we brought her will to the county and they issued me letters testamentary that day.  It was super easy.