From him, from Ahmad ibn Muhammad, from al-Husayn, from al-Nadr ibn Suwayd, from Zurah, from Abu Basir, who said:
I (narrator) said to Abu Abdillah عليه السلام, peace be upon him: “May the fasting person kiss (his wife)?” Imam عليه السلام said: “Yes, and he may give her his tongue for her to suck.”
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 4, p. 399