ISC (International Service Center) has only one function, to send mail on its way to the next location. Since some sorting operations take place only once a day, no package should be there for 24 hours. What confuses people is that after it is done there, it will be in transport, where tracking is not able to be done. Parcel tracking is done on machines at postal facilities.
Not to be confused with Psychologist. A psychiatrist is a physician who specializes in psychiatry, the branch of medicine devoted to the diagnosis, prevention, study, and treatment of mental disorders.
Psychiatrists differ from psychologists and other mental health counselors; they are physicians with medical training who specialize in mental health issues.sychiatrists in private practice may supervise licensed psychologists or psychiatric residents. Those working in psychiatric hospitals may supervise a team of doctors, nurses and other mental health care workers.