No more than 25% of the habitable floor area of the residence (exclusive of accessory structures) shall be used for the purpose of the home occupation. Accessory structures shall be used only for parking or incidental storage.

Not more than one person not a member of the household shall be employed on the premises in the home occupation.

There shall be no exterior display, no exterior storage of materials, no outside parking of commercial vehicles, and no other exterior indication of the home occupation or other variation from the residential character of the principal building other than an unlighted sign not to exceed one square foot in area.

The environmental requirements of Article IX of this chapter shall be complied with.

Traffic generated shall not be more disruptive to the neighborhood than traffic normally resulting from residential use, considering volume, hours, vehicle types and other traffic characteristics.

The parking generated shall be accommodated off-street, other than in a required yard, and shall not occupy more than 35% of lot area.

There shall be no retail sale of articles not produced on the premises or incidental to the occupation.

Use of more than 25% of the habitable floor area of the residence, or use of any accessory building for other than parking or incidental storage.

On-premises employment of a second or third person not a member of the household.

Exterior parking of a commercial vehicle.

Traffic determined by the Building Inspector to exceed the limits of Subsection A(5) of this section.

Parking within a required yard, provided that it is effectively screened from the street and abutting premises.

Unit must be a single-family dwelling to which the family apartment is being added, and must have been in existence and occupied under a legal occupancy permit at least two years at the time of application.

Any increase in floor area shall meet the requirements of § 240-40 without variance or special permit.

The applicant must acquire Board of Health approval that the sewerage disposal will be within the legal requirements.

Parking shall be as required in Article X of this chapter for a two-family dwelling unit.

Either the principal or the accessory unit must be owner-occupied.

The remaining unit must be occupied by a family member of the owner(s).

To approve a special permit for a family apartment, the Board of Appeals must make a determination that all of the above requirements have been met, and also that the particular circumstances of the case make such use appropriate, including consideration of:

The special permit and a certificate of occupancy for a family apartment shall be issued for a period no greater than five years from the date of issuance and must be filed at the Norfolk Registry of Deeds prior to the issuance of a building permit.

A special permit for a family apartment may be extended for additional five-year periods upon application to the Zoning Board of Appeals at least 60 days prior to the expiration of the special permit. An extension shall be given only after inspection and a written report by the Town Inspector that the conditions of the renewal have not changed since the initial application and the Zoning Board's determination that the applicant is in full compliance with § 240-74. Any extension given must be filed at the Norfolk Registry of Deeds within 30 days of issuance. Failure to file within the time period given shall nullify the permit given.

Sale of the lot or dwelling that is the subject of the special permit shall nullify the permit on the date of sale.

Permanent removal from the premises of the individual or individuals for whom the permit has been obtained shall nullify the permit on the date of such removal.