Tex. Est. Code Section 301.152
Additional Proof Required for Letters Testamentary

301.001
Administration Before Death Void 301.002
Period for Filing Application for Letters Testamentary or of Administration 301.051
Eligible Applicants for Letters 301.052
Contents of Application for Letters of Administration 301.101
Opposition to Application for Letters of Administration 301.151
General Proof Requirements 301.152
Additional Proof Required for Letters Testamentary 301.153
Additional Proof Required for Letters of Administration 301.154
Proof Required When Letters Have Previously Been Granted 301.155
Authorized Methods of Proof 301.201
Method of Preventing Administration Requested by Creditor 301.202
Suit on Bond 301.203
Bond Secured by Lien