The article contains in brief sort the description of conditions for realisation of trials of information systems for Year 2000 Compliance, criterions of testing, technique and methods of construction of the tests for trials of the equipment of computers and software (system, compilers, DBMS, local networks and applications). In this article used the materials from Internet, Methodical Recommendations State committee of Russian Federation on link and information, and also own experience were used. The information on organisation and realisation of operations on solution " Problems 2000 " is possible is to found in " The Petroleum economy" ? 3＇99.