I don't normally contribute to this Kudoz forum because there is usually more guesswork than real knowledge on display, but I'm doing so now because I know this is correct.

A "member in good standing" of an association is one who is up to date with his/her subscription and has not been debarred for breach of any of the association's rules or otherwise resigned from membership.

Please see, for example:
General Members in Good Standing
A General Member in good standing is defined as an entity that is current on all membership and/or resource fee payments (Bylaws, Article V, Section 1.b.).
http://www.arin.net/membership/index.html

Member or member in good standing.
• Section Number: 401.15
• Section Name: Member or member in good standing.

Member or member in good standing, when used in reference to a labor organization, includes any person who has fulfilled the requirements for membership in such organization, and who neither has voluntarily withdrawn from membership nor has been expelled or suspended from membership after appropriate proceedings consistent with lawful provisions of the constitution and bylaws of such organization.

http://www.dol.gov/DOL/allcfr/esa/Title_29/Part_401/29CFR401...


Member in Good Standing - A member in good standing is any person who qualifies
under Article 4.1(b) of the constitution and who pays membership dues to the union
except for any members excluded from paying dues under any current collective
agreement of the union.

http://66.102.9.132/search?q=cache:JGAsu9-xHkMJ:www.peiupse....

Also Google "member in good standing" and view the 1,980,000 hits.