That at least 80% of the dwelling units are to be occupied by at least one Age-Qualified Resident;

That persons, at least 19 but under 55 years of age, may reside in a dwelling unit provided the person resides with the Age-Qualified Resident or occupies one of the 20% of dwelling units not required to be occupied by an Age Qualified Resident.

That a person under 19 years of age may visit a dwelling unit as the guest of the occupants of a dwelling unit, provided that no person under the age of 19 may stay overnight in a dwelling unit for more than two consecutive weeks or for a total of more than 30 days in any 12-month period;

That except as otherwise required by the Federal Fair Housing Act, 42 U.S.C. § 3601 et seq., the Maryland Fair Housing Law, Md. Code Ann., Art. 49B, § 19 et seq., no persons under 19 years of age may reside in any unit;

That any provision of the covenants pertaining to the age-restricted nature of the community may not be amended without the approval of the Board of County Commissioners;

That none of the units may be converted to general housing unless: (a) conversion is approved by all unit owners, the Board of County Commissioners and the Planning Commission, (b) all of the units are converted, (c) all requirements of the Calvert County Code, Chapter 3, Adequate Public Facilities Requirements, as amended from time to time, are met at the time of conversion, and (d) the building excise tax in effect at the time of conversion for the type of dwelling into which the units are converted shall be paid, less the amount of excise tax originally paid.