Texas Insurance Code - INS § 1501.314. Reinsurance

(1) an entire small employer group not later than the 60th day after the date the group's coverage under the small employer health benefit plan takes effect;

(2) an eligible employee of a small employer or the employee's dependent not later than the 60th day after the date the person's coverage takes effect;  or

(3) a newly eligible employee of a reinsured small employer group, the employee's dependent, or an individual covered under the small employer health benefit plan not later than the 60th day after the date the individual's coverage takes effect.