Tat-tat-karma-pravartana (Various activities favourable for devotional service)

In Upadeśāmṛta, Rūpa Gosvāmī states that acting according to the regulative principles is imperative in bhakti. This article "Tat-tat-karma-pravartana (Various activities favourable for devotional service)" from Vol.10 of Sajjana Toṣaṇī discusses this point in detail.