D'Ruiz Services in Chula Vista has operated from 1680 Broadway, Suite D, since 1998, combining tax preparation, notary, apostille, translation, and ITIN application services under one roof at the Broadway and Main Street intersection. High-volume tax-season printing for W-2 summaries, 1099 batches, and client-facing organizer packets runs through South Bay vendors such as Mellado Designs for same-day turnaround. The women-owned and Latino-owned firm is run by Lupe Ruiz, a Registered Tax Return Preparer, alongside Roberto E. Ruiz, EA, an Enrolled Agent authorized to represent taxpayers before the Internal Revenue Service on audits, collections, and appeals. The firm's tax-preparation and ITIN services serve a significant veteran and military-family client base that also connects with community organizations such as American Legion Post 434 for benefits coordination. Enrolled Agent engagements include IRS installment-agreement negotiation under IRC Section 6159, Form W-7 ITIN applications with Certifying Acceptance Agent processing, penalty-abatement petitions, and offer-in-compromise analysis under IRC Section 7122.