Given that tax prep businesses, like all businesses that depend on repeat customers, lose a portion of their client base each year, it is imperative they market themselves and attract new clients just to stay even.

The Internal Revenue Service needs to do more work to refine its latest fraud detection system to catch the new schemes that its older system managed to detect, according to a government report.

After three years and $1.37 billion in penalties, the U.S. is ending a disclosure program that forced Swiss banks to reveal all the secret ways they helped Americans evade taxes.

Highlights of some of our favorite tax-related blogs from the past week.

European Union competition chief Margrethe Vestager said Thursday morning she’s ready to investigate Google parent Alphabet Inc.’s 130 million-pound ($185.5 million) tax deal with the U.K. if there are complaints. It didn’t take long for the first to surface.

Samuel Wyly’s lawyer, fighting a $2.2 billion claim by the Internal Revenue Service, told a skeptical judge that his client’s tax planning was “aggressive but not illegal.”

Companies shouldn’t be able to get away with paying very low taxes—or none at all—in countries where they earn profits, EU Economic Affairs and Tax Commissioner Pierre Moscovici said as he introduced a package of proposals designed to curb tax evasion.