‏الصيام : Hadeeth No:2469 A hadlth like this has been transmitted on the authority of Ibn Shibab who said that they (the Compnions of the Prophet) followed the latest of his commands and looked upon it as one abrogating (the previous ones) and the most firm....

‏البيوع : Hadeeth No:3808 Abu Zubair said: I asked Jabir about the price of a dog and a cat; he said: Allaah's Messenger (sallAllaahu alayhi wa sallam) disapproved of that....