The Social Security Fund (abbreviated to FSS in Macao) will conduct network system maintenance from midnight to 6:00 a.m. of May 20 (Saturday), and from 11:00 p.m. of May 20 to 6:00 a.m. of the following day.  During this period, the FSS’ website and its external online services will be suspended or unstable.  The FSS reminds members of the public to pay attention to this.