Of the remaining 33 seats in Bihar, BJP intends to contest 30 with three being given to Upendra Kushwaha's Rashtriya Lok Samta Party (RLSP).
Under the deal, LJP will contest from Hajipur, Samastipur, Jamui, Munger, Vaishali, Nalanda and Khagriya.
BJP President Rajnath Singh had said that Paswan will meet Advani and BJP's Prime Ministerial candidate Narendra Modi in the next few days.
The LJP supremo will also share the dais with Modi at the latter's rally on March 3 in Muzaffarpur in Bihar.