Supporting the center in its letter of complaint to the FTC are nine researchers, who wrote a separate letter to Mary Engle, associate director of advertising practices.

CNN: Group threatens suit over vitamins' anti-cancer claims

The live music company has filed a letter of complaint to The Royal Parks raising "serious concerns" about the tender and bid process for the new four-year contract up to 2017.

BBC: Live Nation may end 10-year link with Hyde Park

If the problem still exists, Complain.com will fax a copy of the original complaint letter to the offending company's chief executive.

CNN: Got a problem? Complain online!

The letter was a brief denial of a complaint sent by Weston to a federal judge in which he accused the government of planting land mines on his property in Rimini, Montana.

CNN: Capitol shooting suspect's lawyers want interview taped

Mr Foster, a trustee of Auckland Castle, has written a letter of complaint about the proposed sale to the church commissioners.

BBC: Church plans art treasure sale

The first letter made no attempt to address the tax issues, even though that was a prominent feature of the complaint.

CNN: AllPolitics - Ethics Transcript

He sent a letter of complaint to his archdiocese, copying in the Vatican but bypassing Cardinal Ortega, according to people familiar with the letter.

WSJ: Two Clerics Differ on Cuban Reform

Mr. Jenson also filed a letter Friday through his lawyers saying he intended to seek dismissal of the complaint.

WSJ: Falcone to Seek Case's Dismissal