Lerza-Keubler v. Monroe County Tax Claim Bureau - Cmwlth. Court - October 15, 2009
http://origin-www.courts.state.pa.us/OpPosting/Cwealth/out/174CD09_10-15-09.pdf
The court set aside a tax sale because, after the post office returned the tax sale notices unclaimed, the Bureau failed to make a reasonable effort to notify the owner of the tax sale by calling the telephone number the tax claim bureau had for the deceased owner, which was the same telephone number of the executrix, who was living at the property. Such a failure can be cured by showing actual notice, but proof of that was lacking here.