Earlier quoted context omitted.
Tax, immigration/emigration, and will/inheritance reasons. For one thing, the government gives you a tax break if you marry; this was particularly useful because, in the old days, women didn't work so it made sense to not tax the man (who did work) because he was effectively making money for two (and possibly more if they had children). Similarly, getting married changes your defaults if you die intestate (that is, y…
Tax, inheritance, and immigration laws don't require you to apply for a permit though to have your kids recognized so long as there is a registered birth certificate. My problem is the "application for marriage" process. A marriage should be recognized in the same manner that we issue a birth certificate; something that is issued as a matter of fact, not as a result of application awaiting approval or denial. Why is…
Because you cannot be married to two different people at the same time. Marriage is not an event that happens, it's a legal contract that cannot be in conflict with an existing legal contract. A new marriage does not immediately nullify the existing contract, so an application must be processed to verify this.
There are also other things that need to be verified like age.