2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/194389The original Rainich theory for the non-null Einstein-Maxwell solutions consists of a set of algebraic conditions and the Rainich (differential) equation. We show here that the subclass of type D aligned solutions can be characterized just by algebraic restrictions.12 pages; v2: appendix with notationGeneral Relativity and Quantum Cosmologytext