Copyright protects the expression of ideas . Copyright has traditionally protected items , such as books , music ,publications and paintings. New technological developments have , however , today copyright , include software , web and multimedia

The requirements:

Complete name, indentification number and address of the author of the work.
In addition, a complete sample of the work must be submitted, except in the case of symphonic works where the piano composition will suffice, and other exceptions.
In the case of software program a sample must be deposited in the magnetic means where it is incorporated. The operations manual and a brief written description must be provided, indicating the language used and the version of the software program if relevant, unless this data is contained in the manual.