PAN eligibility is now ...
"Any General or Honorary member who has earned at least $1,000 in the form of royalties or a combination of advance plus royalties on a single published romance novel or novella published by a non-subsidy, non-vanity publisher may join PAN as a full member ..."
This marks out a division between commercial and non-commercial publication, but does not discriminate between forms
of publishing. E-publication, small press, POD, Kindle, huge New York print runs, or some model of publication as yet undreamed of, all operate under the same $$$ requirement.