Paper presents a comparison of instruments to oblige developers to free transfer land for public infrastructure in Canada, USA, Australia, Germany, and Poland in following dimensions: form, procedure, and an extent of obligations, documents defining obligations, public objects included in obligations, and utilization of exacted land. Compared instruments were evaluated according to their: simplicity, operability, and transparency as well as their role for creation of high quality urban tissue, equality of developers before the law, and complexity of urban transformations
