21.   Strikers have received certified letters from symphony management informing them that during the walkout they will have to pay for health and dental benefits out of their own pockets.

22.   The final effort must be via certified letter.

23.   The rest of the revenue came from express mail, parcel post, certified letters and so on.

24.   The VP of customer service has not responded to my certified letter.

25.   The week before last, the hospital began sending certified letters to potentially infected patients.

26.   Under the new law, people identified as potentially ineligible to vote will get a certified letter offering them a chance to contest the designation.

27.   When a domestic violence detective tried to follow up, Neyland had changed her phone number and after not responding to two certified letters, the case was dropped.

28.   Homeowners association spokesman George Nowack said the group sent the couple two certified letters explaining the fine, but both came back as undeliverable.

29.   The magazine said it made repeated calls and sent a certified letter but ended up using data reported in previous years.

30.   Those people will soon be mailed a certified letter as a last chance to pay the user fee and keep the tickets, Wagner said.