The city shall exercise its lawful powers within the corporate limits and in those areas annexed. The city may enact and enforce laws relating to its lands located in Frederick County outside the corporate limits. To the extent permitted by law, the city may provide municipal services outside the corporate limits. To the extent permitted by law, the city may exempt itself from County laws. (Acts 1951, Ch. 539, § 3; Res. No. 19-81, § 1, 5-14-81; Res. No. 21-83, 1-27-84)