32222 contract law/ construction law/ contract of sale of immovables contract law sale of immovable property Federal supreme court of Ethiopia cassation decisions construction contract of sale volume 7 ያልነበረ ቤትን ሠርቶ ለማስተላለፍ በሚል የሚደረግ ስምምነትን በተመለከተCassation Decision no. 32222