त्रासने च कुसत्त्वानां नीचानां चैव याचने । होमयज्ञक्रियायां च प्रेष्याणां चैव कारयेत् ॥ २१२॥
In frightening timid persons, in begging by the lowly, during sacrificial offerings and rituals, and by servants as well, this posture is to be used.
english translation