- The league is sanctioned by the Maryland State Youth Soccer Association (MSYSA).
- U9 to U12 teams are carded as travel players. U8 teams are carded as recreational.
- League games are primarily scheduled for Saturdays. No games played Memorial Day or Columbus Day weekends.
- The league uses certified USSF referees.
- In addition to Olney and Bethesda, the following MSYSA member clubs have played in the league as well as independent teams:
- Laurel Soccer Club
- Pachuca FC USA
- Potomac Soccer Association
- Takoma Park Soccer Club
- Thunder Soccer Club.
Minimum Roster size is ten (10) and maximum roster is fourteen (14) for CMSSL/OBSL play.
The majority of the players must be on age.
It is recommended to have a roster of at least ten (10) players for the U8 program.
It is recommended to have a roster of at least twelve (12) players for the U9 program.
Girls may play on boys teams.
The league is highly competitive. OBSL offers young players the opportunity to develop their skills at the most competitive level available prior to joining NCSL or WAGS.