Key facts: The NH Statutory Probate Rules Code governs all will contests in New Hampshire; estates exceeding the $50,000 threshold follow standard probate procedures with full contest rights; a mandatory 30-day waiting period applies before a contest petition can be filed after probate admission; contestants must prove standing as interested parties who would benefit from intestate succession or a different will; valid grounds include lack of testamentary capacity, undue influence, fraud, forgery, or improper execution; the burden of proof rests with the contestant; and missing statutory deadlines typically results in permanent forfeiture of contest rights.