Key facts: Contest must be filed within the statutory waiting period of 30 days; eligibility requires estate value meeting the $50,000 threshold; standing limited to parties with pecuniary interest in succession; governed by LA Statutory Probate Rules Code; grounds include lack of testamentary capacity, undue influence, fraud, forgery, or improper execution; Louisiana recognizes olograph and mystic testament forms; courts may assess costs against bad faith contestants; curator ad hoc may be appointed to represent estate interests during contest proceedings.