English: Republic Act No. 11909 or the Permanent Validity of the Certificates of Live Birth, Death, and Marriage Act, which Gatchalian co-authored, covers live birth, death, and marriage certificates issued by the Philippine Statistics Authority (PSA), its predecessor the National Statistics Office (NSO), and local civil registries. It also applies to certificates registered and issued by the Philippine Foreign Service Posts, and transmitted to the PSA.
Filipino: Saklaw ng Republic Act No. 11909 o ang Permanent Validity of the Certificates of Live Birth, Death, and Marriage Act, na isinulong ni Gatchalian, ang mga certificates ng live birth, death, at marriage na inisyu ng Philippine Statistics Authority (PSA), ng pinalitan nitong National Statistics Office (NSO), at ng local civil registries. Saklaw rin ng naturang batas ang mga certificate na nirehistro at inisyu ng mga Philippine Foreign Service Posts at na-transmit sa PSA.