English: The use of mother tongue in monolingual classes must comply with the minimum requirements needed for MTB-MLE's effective implementation: an official orthography developed and published by the Komisyon sa Wikang Filipino (KWF); officially documented vocabulary published by the KWF such as glossary, dictionary, encyclopedia, or thesaurus; literature on languages and culture, such as big books, small books, picture stories, or wordless picture books; grammar book; and availability of teachers in the school who speak and are trained to teach in the Mother Tongue.
Filipino: Nakasaad din sa batas ang mga kondisyon para sa epektibong pagpapatupad ng MTB-MLE sa mga monolingual classes: opisyal na ortograpiya na ginawa at inilimbag ng Komisyon sa Wikang Filipino (KWF); opisyal na dokumentadong bokabularyo na inilimbag ng KWF tulad ng glossary, diksyunaryo, encyclopedia, o thesaurus; panitikan sa wika at kultura tulad ng mga big books, small books, picture stories, o wordless picture books; grammar book; at sapat na bilang ng mga guro sa paaralan na dalubhasa at may training sa pagtuturo ng Mother Tongue.