To get FIFA Recommended 1 Star or 2 Star certificates firstly it is necessary to make a license deal with FIFA. After make a deal the synthetic grass that are going to be used in field have to be tested with sending a FIFA approved Laboratory. If the synthetic grass passes the laboratory test the result sent to FIFA and published FIFA2S web site. As to after this field test will committed to understand is carpet applied in correct way. As a consequence of this test if values equal with FIFA Standards Recommended 1 Star or 2 Star certificate will be given.