28 the cardinal number that is the sum of twenty seven and one. twenty eight, xxviii. large integer an integer equal to or greater than ten. adj. 1. 28 being eight more than twenty. twenty eight, xxviii. cardinal being or denoting a numerical quantity but not order; "cardinal numbers". 28. also found in: dictionary, thesaurus, . acronym. definition. 28. theft of vehicle in progress (alabama public safety radio code). “the provisions of title 28, judiciary and judicial procedure, of the united states code, set out in section 1 of this act, with respect to the organization of each of the several courts therein provided for and of the administrative office of the united states courts, shall be construed as continuations of existing law, and the tenure of the judges, officers, and employees thereof and of the united states attorneys and marshals and their deputies and assistants, in office on the effective. G 28, notice of entry of appearance as attorney or accredited representative. g 28, notice of entry of appearance as attorney or accredited representative. use this form to provide information about your eligibility to act on behalf of an applicant, petitioner, or respondent. When you file form g 28 (edition date: 05 23 18 and 9 17 18), you can specify your preference for receiving notices and secure documents from uscis. if an applicant, petitioner, or requestor submits an application or benefit request with a previous version of form g 28, we will only accept the application or request as long as it meets the acceptance criteria.