The Secretary may, under such sanitary conditions as he may by regulations prescribe, exempt from the inspection requirements of this chapter the slaughter of poultry, and the processing of poultry products, by any person in any Territory not organized with a legislative body, solely for distribution within such Territory, when the Secretary determines that it is impracticable to provide such inspection within the limits of funds appropriated for administration of this chapter and that such exemption will aid in the effective administration of this chapter.