 (፪) በወራሽነት ስም፤ በወራሹ የተፈጸሙ ተግባሮች ያሉ እንደሆነ፤ ተግባሮቹ በተፈጸሙበት ጊዜ፤ የተባለው ወራሽ የወራሽነት መብት እንዳልነበረው በግልጽ ማወቁ ካልተረጋገጠ በቀር እነዚህን ተግባሮች ለመቃወም አይቻልም።
(2) The acts performed by the heir in such capacity may not be impugned, unless it is proved that the person who avails himself of such acts knew for certain, at the moment when such acts were performed, that the heir had no right.