There is a timeline for the various phases of the implementation of REACH. Different deadlines are set for registration of Phase-in substances:

**Chemicals listed in the European Inventory of Existing Chemical Substances (EINECS) (chemicals produced between 1971 and 1981), or manufactured in the EU but not placed in the market in the last 15 years and substances that were considered polymers under Directive 67/584 until the 7th amendment, but which are no longer considered polymers.