Ala. Code § 40-12-247

For each ambulance and automobile hearse operated on the public highways in this state, the following annual license taxes and registration fees are hereby imposed and shall be charged: In each municipality of less than 10,000 inhabitants and in all unincorporated territory, $15; in each municipality of 10,000 to 40,000 inhabitants, $25; in each municipality of 40,001 inhabitants to 100,000 inhabitants, $35; and in each municipality of more than 100,000 inhabitants, $55. Automobile hearses and ambulances shall carry symbol tags.