No new building or structure shall be erected and no building, structure or use shall be expanded, substantially altered or changed unless permanently maintained off-street automobile parking and loading spaces have been provided in accordance with the requirements of this article. Existing parking and loading facilities or spaces shall not be eliminated, reduced or assigned to other uses so as to leave any premises without the parking or loading facilities required by this section or to reduce further inadequate existing facilities.

A lawful use of building or land existing at the time of adoption of this bylaw may be expanded in accordance with other provisions of this bylaw and the number of occupants or employees located therein may be increased by not more than 25% of the number at the time of the adoption of this bylaw, even though such building or land will thereby become nonconforming or more nonconforming as regards the provision of parking required by this article.

For all uses, other than residential uses listed in § 175-7.4 above, but including residential care and other institutions, dormitories and group quarters, and all agricultural, institutional, commercial, industrial and other uses, there shall be provided off-street parking and loading spaces in accordance with Table 7.6 below. The uses not specifically enumerated shall be deemed to be subject to the requirements applying to the generic classification of such uses and to other similar uses. In cases of new or different uses, the Building Inspector shall determine the classification within which they fall, but subject to an appeal to the Board of Appeals under the provisions of MGL c. 40A, § 13, as amended. The requirements of Table 7.6 shall apply to uses conforming to the provisions of this bylaw, to uses established under a Board of Appeals special permit or variance and to nonconforming uses consistent with §§ 175-7.1 and 175-7.2 hereof. In all instances where the minimum number of spaces required is based on the multiple of a number of persons or area in square feet, such multiple shall be interpreted as if followed by the words "or a fraction thereof."

The following parking requirements shall be used to determine parking need for all nonresidential uses. However, the Planning Board recognizes that the inflexible application of the parking standards set forth below may result in a development either with inadequate parking space or parking spaces in excess of needs. Therefore, in the case of those uses which require a special permit pursuant to § 175-4.4, Commercial uses, and § 175-4.5, Industrial uses, and for those uses which require site plan approval, the Planning Board may permit deviations from the presumptive requirements and may require more parking or allow less parking and shall determine the final number of parking spaces required based upon reference to available studies and data and, at the Board's discretion, with the assistance of qualified expert consultants.

If it can be demonstrated to the satisfaction of the Board of Appeals that the land needed to provide the number of parking spaces specified in Table 7.6 for a particular building or use is available, but that such number of parking spaces is not currently required, the Board of Appeals may, after a duly advertised public hearing as provided for in § 175-10.3, grant a special permit for a period not to exceed three years to reduce the paved area and the number of parking spaces provided to not less than 50% of the requirements in Table 7.6. Such special permit may be reapplied for and renewed in the same manner as originally issued, if use conditions warrant.

The parking outdoors of more than one unregistered, unserviceable or wrecked or partially dismantled automobile, or the accumulation in the open of discarded automobile parts or other items not used by the occupant is specifically prohibited, except where accessory to a permitted automobiles sales or repair business and limited to the number of parking spaces available to the lot pursuant to § 175-7.3.

Where a lot or a building is used for several purposes having different off-street parking requirements according to Table 7.6, the parking requirement for each use or component of use may be calculated separately on the basis of its capacity or floor area, as applicable, specified in Table 7.6 for such use, and the several parking requirements added together to establish the total number of parking spaces to be provided.

All parking areas greater than one quarter acre in area shall be referred to the Planning Board by the Building Inspector for design review prior to the construction of buildings.