RandomSoccerFan
GOLD
Simply pointing out that players can't move seemlessly between teams in two separate programs operated by the same club.
Any player registered on any team within a program can play on any age appropriate team within that same program, as long as they only play on one team per day.
Section 2.2.3 of the ECNL Competition Rules touches on multiple program movement, sections 3.14.3 and 3.14.3.1 make it clear that movement between programs is limited.
Just read through all of that pretty carefully. I believe you may be misinterpreting it to be overly restrictive. Nothing there prevents a player from hopping from a clubs NL team to their RL team to their E64 club multiple times per weekend - let alone per season - as long as it doesn't violate any specific tournament rules about playing in the same age bracket with separate teams. It is just preventing clubs with multiple ECNL teams from swapping players between those ECNL teams without an issue (like Koge/Slammers, or the others TDJ listed above).