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Exceptions and credits. 
 
[1952, s. 7] 
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14.—Regulations may provide for— 
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(a) making exceptions from the liability to pay contributions for any specified periods, and 
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(b) crediting contributions to insured persons for any specified periods, including, in particular— 
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(i) periods for which there is an exception from the liability to pay contributions by virtue of paragraph (a), and 
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(ii) the period between the beginning of the contribution year last preceding that in which they become insured persons and their entry into insurance. 
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