The purpose of this work is to analyze waste management act of law, which based on, the waste will be managed by economy subjects. Those subjects have to prepare the documents needed to realize waste management work. At first part of this work we are observing principles and priorities of waste management and trying to introduce with the act of law which regulates trash management in EU. Then I’m presenting the rules which are valid and which regulates waste management in Lithuania. Also I’m observing main requirements which are related with waste management (law of waste management, state strategic waste management plan and act of law of waste management). Indicating separates waste streams law and principles. In the second part I’m introducing conception of method. Observing method principles of preparation of maintaining documents. Researching law which indirectly influencing preparing waste management documents and analyzing method preparation of it. Also I’m observing law, which have directly influence to preparation of waste documents. Analyzing is it difficult to prepare documents for waste management and how to full fill forms which are present in the law.