<prompt> Translate the following text to EnglishSheria hiyo ya mpito ina tarehe ya kuanza kutumika ya Aprili 1, 1997, ambayo ni chini ya kuchelewesha siku 60 katika tarehe ya kuanza kutumika ya sheria kuu inayohitajika na Sheria ya Haki ya Utekelezaji wa Usimamizi wa Biashara Ndogo ya 1996.  <response>: The interim rule has an effective date of April 1, 1997, which is less than the 60-day delay in a major rules effective date required by the Small Business Regulatory Enforcement Fairness Act of 1996 SBREFA. 