The Augsburg Confession says: "*Article XIV: Of Ecclesiastical Order.
Of Ecclesiastical Order they teach that no one should publicly teach in the Church or administer the Sacraments unless he be regularly called. *"
I, personally. would not attend, much less commune, under the circumstances you have described.
Neither would I, Jon. Actually, I would walk out of the church as soon as I realized a layman was presiding; but “lay presidency at the Eucharist” is not unknown among Lutherans in the U.S. when a pastor is unavailable for any reason for some length of time; especially among the ELCA’s Haugean (Norwegian) Pietists in the more remote rural and semi-rural areas of the Northern plains states and parts of West and NW Minnesota. It is not unheard of in the LCMS and WELS either, though usually when a Sunday service is held by a Lay Parish Worker or a congregational Elder, he celebrates “Divine Worship” (ante-communion with sermon) instead of the Eucharist. Reservation of the Blessed Sacrament in a tabernacle or aumbry with the Mass of the Presanctified is rare in Lutheranism except for the small number of highly Romanized Lutheran Churches with apostolic succession. In the last year or so, “lay presidency at the Eucharist” has surfaced as an issue promoted by some (pietists of various types, mostly) in the ELCA.
Here is how “lay presidency at the Eucharist” is justified by the parishes where this is found: Though the Unaltared Augsburg Confession (UAC) does have the above statement, if there is no pastor to call, or if no pastor accepts their call, this is justified as an exception from the UAC justified by the doctrine of the priesthood of all believers, based on Martin Luther’s teachings. While Luther didn’t use the term, “priesthood of all believers,” he adduces a general priesthood of all believers in two of his documents: In the first, To the Christian Nobility of the German Nation, (1520) he wrote that all baptized Christians are “priests” and “spiritual” in the sight of God: "That the pope or bishop anoints, makes tonsures, ordains, consecrates, or dresses differently from the laity, may make a hypocrite or an idolatrous oil-painted icon, but it in no way makes a Christian or spiritual human being. In fact, we are all consecrated priests through Baptism, as St. Peter in 1 Peter 2:9] says, “You are a royal priesthood and a priestly kingdom,” and Revelation [5:10], “Through your blood you have made us into priests and kings.”[3]
The other document, also written in 1520, On the Babylonian Captivity of the Church, Luther wrote: "How then if they are forced to admit that we are all equally priests, as many of us as are baptized, and by this way we truly are; while to them is committed only the Ministry (ministerium Predigtamt) and consented to by us (nostro consensu)? If they recognize this they would know that they have no right to exercise power over us (ius imperii, in what has not been committed to them) except insofar as we may have granted it to them, for thus it says in 1 Peter 2, “You are a chosen race, a royal priesthood, a priestly kingdom.” In this way we are all priests, as many of us as are Christians. There are indeed priests whom we call ministers. They are chosen from among us, and who do everything in our name. That is a priesthood which is nothing else than the Ministry. Thus 1 Corinthians 4:1: “No one should regard us as anything else than ministers of Christ and dispensers of the mysteries of God.”
Of course, in my humble opinion, in these documents, Martin Luther was way across the line into heresy, period. Nontheless the concept of the priesthood of all believers, which was also developed by John Calvin, became a foundational principle of Protestantism, and Lutheran Pietism is certainly Protestant.
In general, “confessing evangelical” (low-church, Protestant oriented) Lutherans are willing to tolerate lay presidency in certain limited, temporary circumstances, and evangelical catholic (high-church, Catholic oriented) are steadfastly opposed to it.
Unlike Episcopal Church bishops who often will ordain an “indigenous person” a deacon and priest to serve in a remote location
only, even in areas with a persistent clergy shortage, ELCA bishops and LCMS/WELS regional Superintendants refuse to ordain who is not either a graduate of a residential seminary or has gone through a residential seminary’s colloquy program to serve
only in such remote places.
Hope this helps.
Blessings,
Irl