Srimad Bhagavatam — Saptama Skandha, Shloka 19
Gṛhastha-Dharma: How a Householder Attains Liberation by Offering All to Vāsudeva
कुर्यादपरपक्षीयं मासि प्रौष्ठपदे द्विज: । श्राद्धं पित्रोर्यथावित्तं तद्बन्धूनां च वित्तवान् ॥ १९ ॥
kuryād apara-pakṣīyaṁ māsi prauṣṭha-pade dvijaḥ śrāddhaṁ pitror yathā-vittaṁ tad-bandhūnāṁ ca vittavān
十分に富めるブラーフマナは、バードラ月後半の暗月（クリシュナ・パクシャ）に、財に応じて祖霊のためのシュラーダを行うべきである。同様に、アーシュヴィナ月のマハーラヤーの儀礼では、祖霊の縁者にも資力に応じて供養をなすべきである。
FAQs
This verse instructs that a twice-born householder should perform śrāddha for father and mother in the month of Proṣṭhapada during the dark fortnight, offering according to one’s means.
Śukadeva Gosvāmī is speaking, describing ideal household duties as part of dharma, including timely śrāddha for parents and their relatives.
Honor and gratitude toward parents and forebears can be practiced through sincere remembrance, appropriate charity and feeding of others in their name, and performing traditional rites within one’s capacity.