Texas Tax Code - TAX § 33.43. Petition

(1) the taxing unit is legally constituted and authorized to impose and collect ad valorem taxes on property;

(2) tax in a stated amount was legally imposed on each separately described property for each year specified and on each person named if known who owned the property on January 1 of the year for which the tax was imposed;

(3) the tax was imposed in the county in which the suit is filed;

(4) the tax is delinquent;

(5) penalties, interest, and costs authorized by law in a stated amount for each separately assessed property are due;

(6) the taxing unit is entitled to recover each penalty that is incurred and all interest that accrues on delinquent taxes imposed on the property from the date of the judgment to the date of the sale under Section 34.01 or 34.0101, or under Section 253.010, Local Government Code, as applicable, if the suit seeks to foreclose a tax lien;

(7) the person sued owned the property on January 1 of the year for which the tax was imposed if the suit seeks to enforce personal liability;

(8) the person sued owns the property when the suit is filed if the suit seeks to foreclose a tax lien;

(9) the taxing unit asserts a lien on each separately described property to secure the payment of all taxes, penalties, interest, and costs due if the suit seeks to foreclose a tax lien;

(10) all things required by law to be done have been done properly by the appropriate officials; and

(11) the attorney signing the petition is legally authorized to prosecute the suit on behalf of the taxing unit.