Sara Danius, the organization's permanent secretary, told Swedish public radio Friday that the Nobel Foundation's rules for laureate lectures are "flexible." Dylan can deliver his as "a written speech, a spontaneous discourse, a film" or another format of his choosing, said Danius.
In 2004, Austrian playwright and Nobel literature prize winner Elfriede Jelinek stayed home because of social phobia. Her lecture was prerecorded and shown on video in Stockholm.
Dylan has said he cannot attend the Dec. 10 prize ceremony, pleading other commitments.
The 75-year-old American singer-songwriter was awarded the prize on Oct. 13 "for having created new poetic expressions within the great American song tradition."
The Academy said in a statement that it had "decided not to organize an alternative plan" for his lecture.
The laureate lectures must be held within six months from the Dec. 10 ceremonies, on a subject related to the topic of the prize.
Normally, they occur during the week leading up to the award ceremony. However, several recipients have delivered the lectures after the fact.
Former political prisoner and now the de facto leader of Myanmar, Aung San Suu Kyi, delivered hers 21 years after being awarded the Nobel Peace Prize in 1991.
Peace Prize recipient Lech Walesa, the Polish dissident and leader of the Solidarity union movement, gave his lecture 12 years after receiving the prize, while visiting Norway as Poland's president.
The six Nobel Prizes will be officially conferred upon winners in Stockholm and Oslo next month on the anniversary of award founder Alfred Nobel's death on Dec. 10, 1896.
Details about who would accept the award on Dylan's behalf were still unclear.