The company said it would begin notifying affected employees in the next few weeks.
But officials began notifying parents, principals and unions at the schools by letter.
The company said it began notifying its six million residential customers of the change in June bills.
Administration officials began notifying Congressional aides today about their intentions.
Apple began notifying users late Friday about the replacement program.
Soon after this official reminder, the agencies began notifying client stations.
Many of them have begun notifying families who are nearing their deadlines.
The board agreed to an audit last year, and hired an accounting firm for $30,000 to begin notifying all parents of the new requirement.
Both companies began notifying retailers a couple of weeks ago that they should take the products containing the ingredient off their shelves.
He said it "should take about 15, 20 minutes" to compare the boarding slips with the manifest, and then begin notifying family members.