What is the Sikh code of conduct officially called?

The Sikh code of conduct is officially called the Sikh Rehat Maryada.

The Sikh Rehat Maryada is a standardized code describing Sikh beliefs, practices, ceremonies, and responsibilities. The Shiromani Gurdwara Parbandhak Committee adopted it in 1945 after an extended process of discussion and drafting among Sikh scholars and institutions.

Rehat means conduct or discipline, while maryada means convention, order, or code. The document addresses subjects such as initiation into the Khalsa, daily prayers, gurdwara practice, life-cycle ceremonies, and the authority of the Guru Granth Sahib.

It should not be confused with a hukamnama, which is a specific directive or order issued by a recognized Sikh authority, or with the Akal Takht, the seat of temporal Sikh authority. The Rehat Maryada is a broad normative code rather than the name of a single prayer or scripture.