Primera Federación – Group 1 (Spain)

Primera Federación - Group 1 (Spain) (Primera Federación) - one of the two geographical sections of Spain's third-tier national division organised by the Royal Spanish Football Federation. Regulations: 20 clubs play a double round-robin of 38 matchdays with 3 points for a win, 1 for a draw and 0 for a loss, the group winner is promoted directly to Segunda División, teams placed 2nd-5th qualify for the promotion play-offs for an additional spot, and teams placed 16th-20th are relegated to Segunda Federación, if two clubs finish level on points the first tie-breaker is head-to-head goal difference, then overall goal difference, then goals scored, then fair play, and if still level a neutral-venue play-off match can be ordered, while ties among three or more clubs are resolved via a mini-table of matches among the tied teams with points first and head-to-head goal difference next, before reverting to overall goal difference, goals scored and fair play, the promotion play-offs are two-legged semi-finals and finals with cross-group pairings, decided on aggregate goals, and if level after extra time in the second leg the higher regular-season ranking advances.