The Academy of Motion Picture Arts and Sciences confirmed that it is “conducting a review of campaign procedures” in the wake of Andrea Riseborough’s surprise Oscar nomination for the small indie film To Leslie.

The Academy released a statement Friday regarding the campaign, though it didn’t mention “To Leslie” specifically.

“It is the Academy’s goal to ensure that the Awards competition is conducted in a fair and ethical manner, and we are committed to ensuring an inclusive awards process,” the statement reads. “We are conducting a review of the campaign procedures around this year’s nominees, to ensure that no guidelines were violated, and to inform us whether changes to the guidelines may be needed in a new era of social media and digital communication. We have confidence in the integrity of our nomination and voting procedures, and support genuine grassroots campaigns for outstanding performances.

Since Tuesday’s nominations, the industry has been debating whether her campaign violated any rules and guidelines established by AMPAS. Since Riseborough’s name was called, rumors have been circulating that she could be disqualified.

The Academy is meeting next Tuesday, where Riseborough will be on the agenda. Although the Academy has been inundated with calls and e-mails regarding Riseborough’s inclusion, no formal complaints have been filed.

But her grassroots effort assembled the support of stars like Edward Norton, Jane Fonda and fellow nominee Cate Blanchett, who all publicly praised the actress’ work. “To Leslie” was directed by Michael Morris, and his wife Mary McCormack was instrumental in assembling A-list endorsements Riseborough.

There’s nothing wrong with encouraging Oscar voters to watch a movie by touting its merits. But some rival campaigns say that “To Leslie” used “aggressive tactics” that cross a line.

All About Oscar

Critics have yet to find a “smoking gun” that shows a direct solicitation from Riseborough to Academy members. But others who worked on her behalf have been accused of violating the rules. If so, does that make Riseborough, who is an executive producer for “To Leslie,” responsible?

Frances Fisher, an Academy member, was one of Riseborough’s vocal advocates, sharing multiple posts about her performance on social media. However, some of those posts could also violate the Academy’s rules, particularly no. 11 “References to Other Nominees,” which states that “any tactic that singles out ‘the competition’ by name or title is expressly forbidden.”

In a post from her personal Instagram account dated Jan. 14, Fisher wrote: “To my fellow Actors in The Academy, Andrea Riseborough can secure an Oscar nomination if 218 (out of 1,302) actors in the Actors Branch nominated her in first position for Best Actress.”

While not “illegal” to champion a movie or performance, the reference to Yeoh, Deadwyler, Blanchett and Davis is where Fisher seems to have made an error. But that would not implicate Riseborough directly unless there’s a way that Fisher was directly involved with the film itself.

If a formal complaint is filed, this could result in Fisher receiving one-year suspension from the Academy, as Part C of the rules read: “Academy members who are found to have violated this regulation will be subject to one-year suspension of membership for first-time violations.”

There have yet to be any formal complaints filed in relation to “To Leslie.”

Oscar campaigns are expensive efforts involving parties, consultants and ads. The “To Leslie” campaign was self-funded. But it did enlist two PR firms, Narrative and Shelter, along with event planners like Colleen Camp, to draw attention to the movie. Who paid those bills? Momentum Pictures? Riseborough?

In the weeks leading up to AMPAS voting, Riseborough’s self-campaign began to take off with help from her manager Jason Weinberg, Narrative PR and Shelter PR.

The personal appeals of her high-profile friends may have carried her over. And those associations may be the result of Riseborough’s stacked resume, which includes “Birdman,” “The Death of Stalin” and “Battle of the Sexes.” Lots of Oscar contenders do Q&As with other actors or talent as way to draw attention to their movies. But the question is whether the support of Riseborough’s friends constitutes the kind of lobbying the Academy prohibits.

Only 9 nominations have been rescinded throughout the 95 years of the Academy. That includes Charlie Chaplin for his film “The Circus” (1928) at the first ceremony to the most recent occurrence of Greg Russell, who was removed for best sound mixing for “13 Hours” (2016).

While there’s no evidence that Riseborough violated any Oscar rules, the team may have utilized loopholes to garner the recognition,

Riseborough’s friends figured out that in order to secure nomination, they only needed 218 of the 9,579 AMPAS members to write her name down.

The Actors Branch consists of 1,302 members, the largest of the Academy. If every member casts a ballot, a nominee needs 218 votes to secure a slot. If there are fewer votes, the required number also drops.

If no actions are taken, you’ll see many prominent studios and strategists executing the same tactics next awards season. You might also see the Academy clarifying some of its own rules to close some “loopholes.”