An opposition to the petition, motion, or other application of a party to a succession proceeding for an order or judgment of the court shall be in writing and be filed within the delay allowed. It shall comply with the provisions of Articles 853 through 863; shall state the name, surname, and domicile of the opponent; shall allege the interest of opponent in filing the opposition, and the grounds for opposing the petition, motion, or other application; and shall conclude with a prayer for appropriate relief.