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REGSENSE
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Hazmat -

§171.9 Rules of construction.

RegSense Pipeline and Hazardous Materials Safety Administration (PHMSA), DOT CFR Regulations Hazmat Safety Hazmat CFR Section Focus Area English Transportation USA

(a) In this subchapter, unless the context requires otherwise:

(1) Words imparting the singular include the plural;

(2) Words imparting the plural include the singular; and

(3) Words imparting the masculine gender include the feminine;

(b) In this subchapter, the word: (1) Shall is used in an imperative sense;

(2) Must is used in an imperative sense;

(3) Should is used in a recommendatory sense;

(4) May is used in a permissive sense to state authority or permission to do the act described, and the words “no person may* * *” or “a person may not* * *” means that no person is required, authorized, or permitted to do the act described; and

(5) Includes is used as a word of inclusion not limitation.

[Amdt. 171–32, 41 FR 15996, Apr. 15, 1976, as amended by Amdt. 171–32A, 41 FR 40630, Sept. 20, 1976; Amdt. 171–121, 58 FR 51528, Oct. 1, 1993]

['Hazmat']

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