Every third Sunday of January of every year is declared as the “Day of Sanctity and Protection of Human Life” (Proclamation No. 490, s. 2003)

Executive Order No. 125, series of 1987, signed on January 30, 1987 reorganized and renamed the then-existing Ministry of Transportation and Communication into Department of Transportation and Communication.

After an absence of seven years, it being unknown whether or not the absentee still lives, he shall be presumed dead for all purposes, except for those of succession.

The theory of imputed knowledge ascribes the knowledge of the agent to the principal.

Last October 12, 2023, the Department of Health and World Health Organization launched the Philippine Council for Mental Health Strategic Framework 2024-2028 to cover the planning and putting into action mental health rules, plans, and support services for the coming five years.

Mental health professionals shall have the right to a safe and supportive work environment among others.

The second Sunday of January of every year is declared as the “Unknown Citizens’ Day” by virtue of Commonwealth Act No. 152 (C.A. No. 152).

The rules on the use of surnames by a child depends whether a child is legitimate, legitimated, adopted, or illegitimate.

The month of January of every year is declared as Zero Waste Month by virtue of Proclamation 760, series of 2014.

Precautionary principle states that when human activities may lead to threats of serious and irreversible damage to the environment that is scientifically plausible but uncertain, actions shall be taken to avoid or diminish that threat.