Hidalgo County, Texas. Hidalgo County is a county in the U.S. state of Texas. As of the 2010 census, the population was 774,769, making it the eighth-most populous county in Texas. The county seat is Edinburg and the largest city is McAllen.
If your need for leave is foreseeable (for example, because you need time off for a long-scheduled surgery), you must give notice of your need for leave 30 days in advance, unless. 1  The leave is not certain in time. 2  There is a change in circumstances.  There is a medical emergency.
(2) If the employer has sufficient information to designate the leave as FMLA leave immediately after receiving notice of the employee's need for leave, the employer may provide the employee with the designation notice at that time.