By statute, the execution of a will must be strictly complied with for a will to be valid. 1.must be in writing, and 2, Signed by the testator at the end.
When determining if testamentary writing constitutes a will, it must appear that the writing was intended to be the complete and final expression of his testamentary intent.
An additional Act
If an additional act or writing is contemplated by the testator in order to make a written document his will or codicil, the writing is basically nontestamentary in nature.