1. Aid by home police forces of the Royal Ulster Constabulary and vice versa
2. Provisions for facilitating the engagement of members of home police forces for periods of service in the Royal Ulster Constabulary.
3. Provisions with respect to aid given to a home police force by the Royal Ulster Constabulary.
4.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .