By enforcing a rule that stipulates that symbols and expressions other than Jewish may not be used in any government correspondence, it discriminates against any non-Jews who would wish to express their participation in Israeli affairs by using non-Jewish symbols and expressions.
The other law about having to carry identification at all times is only used against Arab citizens. So it's not discriminatory unless you're an Israeli Arab citizen, if you know what I mean...
Anyway, the rest of it is here:
http://www.democraticunderground.com/1134127199
If you think that there are no discriminatory laws in Israel, what about the "Ban on Family Unification" - Citizenship and Entry into Israel Law (Temporary Order) from 2003? It creates extreme hardship for many couples (non-Jewish, of course) living in Israel and also denies citizenship to some people born in Israel with one Israeli (non-Jewish) parent. Please do your magic on that one if you can...
Israeli-Palestinian Couples on Citizenship Law: Supreme Court Guided by Israeli Racism
Source: Haaretz, Jan 12, 2012
Supreme Court ruling to uphold law banning family reunification, ending hope for a normal life for thousands of families in Israel.
http://www.haaretz.com/israel-news/israeli-palestinian-couples-on-citizenship-law-supreme-court-guided-by-israeli-racism-1.406886
Israeli Family Unification Law Leaves 247 Palestinian Kids Without Legal Status
Source:
Haaretz, Jun 18, 2016
Under the legislation, everyone 14 and older is considered an adult and cannot receive legal status in Israel.
http://www.haaretz.com/israel-news/.premium-1.725493