31. The selection rules were later relaxed to allow for the selection of players with an Irish grandparent. 32. The remaining two integrals contributing to the probability amplitude determine the electronic spatial and spin selection rules . 33. Over the past few years the selection rules have changed but no pattern has emerged, frustrating many. 34. The selection rule of electrocyclization reactions is given in the original statement of the Woodward Hoffmann rules. 35. New selection rules for the six-member Olympic team will allow for specialists in addition to all-around competitors. 36. In 1982, for the first time all three matches of the interstate series were played using'origin'selection rules . 37. PRI party president Jose Antonio Gonzalez Fernandez said Monday in a statement commenting on the new selection rules . 38. Finally, this host lattice ought to have low symmetry, allowing for slight relaxation of the Laporte selection rules . 39. This leads to dipole selection rules among exciton states, in full analog to the atomic dipole selection rules . 40. Electron ionization allows the observation of some states which cannot be excited by photons due to selection rules .