Erratum to the paper ``Absolute Continuity of the Spectrum of a Schrödinger Operator with a Potential Which is Periodic in Some Directions and Decays in Others''
Lemma 6.1 and 6.2 in  are false as stated there. Below, we correct the proof of Theorem 6.1 accordingly.
2000 Mathematics Subject Classification: 35J10, 35Q40, 81C10
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