In Australia it's common to initial pages to indicate they have been read, and next to altered terms specifically. Both parties write their initials in such cas

In Australia it's common to initial pages to indicate they have been read, and next to altered terms specifically. Both parties write their initials in such cases, so you don't need a signature on each page. I don't think it has a direct legal basis, but like most things to do with contracts it builds the picture of intent and acceptance and understanding of what they were getting into.