15270 property law/ urban land right/ cause of action/ standing Civil procedure code volume 2 property law urban land cause of action proclamation no 47/67 standing land Federal supreme court of Ethiopia cassation decisions በከተማ ቦታ ሊይ ስሇሚኖር መብትየፌ/ብ/ሥ/ሥ/ህ/ቁ. 33(2) 231 (1)(ሀ), አዋጅ ቁ.47/67 Cassation decison no. 15270 '