(a) All casual security officers (as defined by section 5.22 of this Part) must be employed through the appropriate employment information center.

(b) A casual security officer may notify the appropriate employment information center prior to 1 p.m. of his availability for employment for a 4 p.m. to 12 midnight tour that day, and prior to 3 p.m. of his availability for employment for a 12 midnight to 8 a.m. or a 8 a.m. to 4 p.m. tour the following day. Between 1 p.m. and 2:30 p.m. a representative of an employer shall select in accordance with sections 5.35 through 5.41 of this Part, inclusive, casual security officers for the 4 p.m. to 12 midnight tour that day and between 3 p.m. and 5 p.m. casual security officers for the 12 midnight to 8 a.m. or 8 a.m. to 4 p.m. tours the following day, from among casual security officers who have previously notified the appropriate employment information center of their availability.

(c) A casual security officer may notify the appropriate employment information center from 12 noon to 3 p.m. on Friday of his availability for employment on Saturday, Sunday or the 12 midnight to 8 a.m. tours on Monday. After 3 p.m. on Friday a representative of an employer shall select, in accordance with sections 5.35 through 5.41 of this Part, inclusive, casual security officers for Saturday, Sunday or for the 12 midnight to 8 a.m. or 8 a.m. to 4 p.m. tours on Monday, from among casual security officers who have previously notified the appropriate employment information center of their availability.

(d) If Monday is a holiday, a casual security officer may notify the appropriate employment information center from 12 noon to 3 p.m. on Friday of his or her availability for employment for a 4 p.m. to 12 midnight tour on Monday or the 12 midnight to 8 a.m. or 8 a.m. to 4 p.m. tours on Tuesday. For holidays falling on other weekdays, a casual security officer may notify the appropriate employment information center prior to 3 p.m. on the day prior to the holiday of his availability for employment on the holiday or for the 12 midnight to 8 a.m. or 8 a.m. to 4 p.m. tours for the day after the holiday. After 3 p.m. on Friday, if the holiday is on Monday or after 3 p.m. on the day before the holiday, if the holiday falls on another weekday, a representative of an employer shall select, in accordance with sections 5.35 through 5.41 of this Part, inclusive, casual security officers for employment on the holiday for the 12 midnight to 8 a.m. or 8 a.m. to 4 p.m. tours on the day after the holiday from among the casual security officers who have previously notified the appropriate employment information center of the availability.

(e) A casual security officer may also make himself available for work at other times in which case he will be added to the availability list in proper seniority order for subsequent hiring. Representatives of employers may select casual security officers for employment in accordance with sections 5.35 through 5.41 of this Part, inclusive, at other times to meet unforeseen needs.