The Mayor shall be the chief conservator of the peace and shall see that all laws and ordinances are enforced within the Municipality. He shall recommend to Council such measures as he deems necessary or expedient. He shall see that all terms and conditions imposed in favor of the Municipality or its inhabitants in any franchise or contract to which the Municipality is a party are faithfully kept and performed. The Mayor shall execute on behalf of the Municipality all contracts, conveyances, evidence of indebtedness and all other instruments to which the Municipality is a party. He shall have custody of the seal of the Municipality which shall be the Mayor's seal, and shall affix it to all the above mentioned documents requiring the same; but the absence of such seal therefrom shall not affect the validity of any such document. The Mayor shall be recognized as the official and ceremonial head of the Municipality by the Governor for military purposes, and by the Courts for the purpose of serving processes.