Camera film packaged and labeled for retail sale is exempt from the net quantity statement requirements of part 500 of this chapter which specify how measurement of commodities should be expressed, provided:

(a) The net quantity of contents on packages of movie film and bulk still film is expressed in terms of the number of lineal feet of usable film contained therein.

(b) The net quantity of contents on packages of still film is expressed in terms of the number of exposures the contents will provide. The length and width measurements of the individual exposures, expressed in millimeters or inches, are authorized as an optional statement. (Example: “36 exposures, 36 × 24 mm. or 12 exposures, 2 1/4 × 2 1/4 inches”.)

Christmas tree ornaments packaged and labeled for retail sale are exempt from the net quantity statement requirements of part 500 of this chapter which specify how the net quantity statement should be expressed, provided:

(a) The quantity of contents is expressed in terms of numerical count of the ornaments, and

(b) The ornaments are so packaged that the ornaments are clearly visible to the retail purchaser at the time of purchase.

Replacement bags for vacuum cleaners, packaged and labeled for retail sale are exempt from the requirements of § 500.15a of this chapter which specifies how measurement of container type commodities should be expressed, provided:

(a) The quantity of contents is expressed in terms of numerical count of the bags;

(b) A statement appears on the principal display panel of the package accurately identifying the make and model of the vacuum cleaner or cleaners in which the replacement bag is intended to effectively function;

(c) The name and place of business of the manufacturer, packer, or distributor of the replacement bags, in addition to the requirements of § 500.5 of this chapter, appears on the principal display panel of the package.

Chamois packaged or labeled for retail sale is exempt from the requirements of § 500.13 of this chapter which specifies how measurement of commodities by area measure should be expressed: Provided:

(a) The quantity of contents for full skins is expressed in terms of square feet with any remainder in terms of the common or decimal fraction of the square foot.

(b) The quantity of contents for cut skins of any configuration is expressed in terms of square inches and fractions thereof. Where the area of a cut skin is at least one square foot or more, the statement of square inches shall be followed in parentheses by a declaration in square feet with any remainder in terms of square inches or common or decimal fractions of the square foot.

Table covers, bedsheets, and pillowcases, fabricated from paper, are exempt from the requirements of § 500.12 of this chapter which specifies the expression of measurement of bidimensional commodities: Provided, That such commodities shall clearly present their actual length and width in terms of inches.

Variety packages of cellulose sponges of irregular dimensions, are exempted from the requirements of § 500.25 of this chapter, provided:

(a) Such sponges are packaged in transparent packages which afford visual inspection of the varied sizes, shapes, and irregular dimensions; and

(b) The quantity of contents declaration is expressed as a combination of count accompanied by the term irregular dimensions.

Tapered candles and irregularly shaped decorative candles which are either hand dipped or molded are exempt from the requirements of § 500.7 of this chapter which specifies that the net quantity of contents shall be expressed in terms of count and measure (e.g., length and diameter), to the extent that diameter of such candles need not be expressed. The requirements of § 500.7 of this chapter for these candles will be met by an expression of count and length or height in inches.

Solder and brazing alloys containing precious metals when packaged and labeled for retail sale are exempt from the net quantity statement requirements of part 500 of this chapter which specify that all statements of weight shall be in terms of avoirdupois pound and ounce provided the net quantity declaration is stated in terms of the troy pound and ounce and the term troy is used in each declaration.