Manusmriti

siva.sh/manusmriti/8/64

नार्थसम्बन्धिनो नाप्ता न सहाया न वैरिणः । न दृष्टदोषाः कर्तव्या न व्याध्यार्ता न दूषिताः ॥ ६४ ॥

sanskrit

Those must not be made (witnesses) who have an interest in the suit, nor familiar (friends), companions, and enemies (of the parties), nor (men) formerly convicted (of perjury), nor (persons) suffering under (severe) illness, nor (those) tainted (by mortal sin).

english translation

nArthasambandhino nAptA na sahAyA na vairiNaH | na dRSTadoSAH kartavyA na vyAdhyArtA na dUSitAH || 64 ||

hk transliteration by Sanscript