1. All immigrants must be genetically similar to Icelanders.
This is because of the heightened risk of stillbirths and crib death among mixed-race people and the fact that mixed-race people can't revive marrow and organs.
2. All immigrants must have an IQ equal to hor higher than the average Icelandic IQ.
This is to make sure our immigration is eugenic, not dysgenic.
3. Immigrants can not be the bearer of heritable diseases.
This can be worded better as not all heritable diseases are created equal. I don't really care if you ate slightly more likely to get heart problems in your 70s than the next guy.
Same reason as section 2.
4. No Jews. No Muslims.
Possibly unnecessary as most Muslims are disqualified by sections 1 and 2, and a large chunk of Jews fall are disqualified by section 3.
Would possibly expand this to include all would-be religious minorities.