Conversation so far:
What did Tom Tancredo sponsor?
Tom Tancredo sponsored the Sudan Peace Act.
What does the Sudan Peace Act say?
The Sudan Peace Act says A viable and internationally sponsored peace process, presents the best chance for a permanent resolution of the war, and a self-sustaining Sudan.“
What was Tom Tancredo's next act after sponsoring the Sudan Peace Act?
Tom Tancredo introduced the Mass Immigration Reduction Act.
What did the Mass Immigration Reduction Act do?
The Mass Immigration Reduction Act would have imposed an indefinite moratorium on immigration to the United States.
When was The Sudan Peace Actt made law?
The Sudan Peace Act was passed unanimously in the Senate without amendment seven days later, and was signed into law on November 21, 2002.
What did The Mass Immigration Reduction Act say after first year?

Question: When did he introduce this?
Self-contained rewrite: When did Tom Tancredo introduce the Mass Immigration Reduction Act?