That Brahmana who, having married a Shudra girl, lives for twelve years continually in a village which has only a well to give water, becomes a Shudra in act.
उदपानोदके ग्रामे ब्राह्मणो वृषलीपतिः। उषित्वा द्वादश समाः शूद्रकर्मैव गच्छति॥