Yōga Sūtra 3.06

तस्य भूमिषु विनियोगः।

tasya bhūmiṣu viniyōgaḥ।

[तस्य भूमिषु विनियोगः।
tasya = it's; bhūmiṣu = in various spheres; viniyōgaḥ = can be applied;]

It's (mastery of samyamah) can be applied in various spheres.