2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/192440We examine commonly used approaches to deal with the scattering of electrons from a bound nucleon. Several prescriptions are shown to be related by gauge transformations. Nevertheless, due to current non-conservation, they yield different results. These differences reflect the size of the uncertainty that persists in the interpretation of $(e,e'p)$ experiments.6 pp (10 in preprint form), ReVTeX, (+ 4 figures, uuencoded)Nuclear Theorytext