Visa can be bought on arrival at the point of entry. The document for 30 days  you  receive is valid for Single Entry, and it allow you to stay in Madagascar for no more than 30 days per entry.

The document for 60 days  you  receive is valid for Single Entry, and it allows you to stay in Madagascar for no more than 60 days per entry.

The madagascar Tourist e-Visa on arriva is a Landing Authorization, document that all those who wish to visit madagascar must have for tourism purposes before entering the country.

Once the applications is submitted and accepted, you will receice a Landing Authorization that must be show to the Immigration officers upon arrival in madagascar. After that, you will have to pay an extra fee in person according to the Visa validity  you  select.