This four-storey building was one of the first buildings built on Boulevard Pasteur. it currently houses the Regional Tourism Authority and the Abdellah Guennoun Library, but it was originally the Dar es-Salaf, or Debt Enforcement Administration for the ports of Morocco. It was constructed by the firm of Desforges & Rosseau.
Source:
"Bulevar Pasteur 29, Dar Es Salaf." Tanger: El Mundo En Una Ciudad. Ver Edificio. Accessed June 11, 2016. http://tingisaecid.com/v2/view_ent/view_building.php?id=4.
Roca, Juan, Ramon. Tangier and its surroundings. Alicante, Spain: Roca Vincente-Franquiera, 2011.