1.can itself perform the relocation of its address sensitive portions
2.consists of a program and relevant information for its relocation
3.cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
4.cannot be made to execute in any area of storage other than thecannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation one design