Section 821 - Determination of compensation appeals(a) The department shall promptly examine each application for benefits and on the basis of the facts found by it shall determine whether or not the application is valid. Notice shall be given by the department in writing to the claimant and each base-year employer of the claimant, stating whether or not the claimant is eligible under section four hundred and one (a), and, if declared eligible thereunder, the weekly benefit rate and the maximum amount of compensation payable: Provided, That where the reserve account of a base-year employer has been transferred to a successor-in-interest, such notice shall be given to the successor-in-interest and not to the original base-year employer, and: Provided further, That no notice need be given to a base-year employer who has been released by the department from filing contribution reports.(b) Notice shall be given in writing to the last employer of the claimant stating that an application has been filed by the designated employe.(c)(1) The department shall promptly examine each claim for waiting week credit and each claim for compensation and on the basis of the facts found by it shall determine whether or not the claim is valid.(2) Notice of such determination need not be given to the claimant if the claim is determined valid, but if the claim is determined invalid, notice shall be given by the department in writing to the claimant stating that the claim is invalid and the reason therefor.(3) Notice of such determination need not be given to any base-year employer or last employer of the claimant unless such base-year employer or last employer has filed with the department information in writing which might raise a question as to the eligibility of the claimant for any reason other than his failure to comply with the provisions of section four hundred one (a) , in which event notice shall be given as provided herein.(4) If an employer files with the department such information within fifteen days after notice required under section five hundred one (a) or (b) was delivered to him personally, or was mailed to his last known post office address, the department shall issue to such employer (i) a notice in writing of its determination with respect to each claim which is filed by the claimant for a week, the first day of which is on or before the date on which such information is filed, and (ii) a notice in writing of its determination with respect to the first valid claim which is filed by the claimant during the claimant's benefit year for a week, the last day of which is subsequent to the date on which such information is filed.(5) If an employer files with the department such information more than fifteen days after notice required under section five hundred one (a) or (b) was delivered to him personally, or was mailed to his last known post office address, the department shall only issue to such employer (i) a notice in writing of its determination with respect to each claim which is filed by the claimant for a week, the first day of which is within the thirty-day period which immediately precedes the date on which such information is filed, and (ii) a notice in writing of its determination with respect to the first valid claim which is filed by the claimant during the claimant's benefit year for a week, the last day of which is subsequent to the date on which such information is filed.(d) The department shall notify any employer or claimant who has been notified as required under subsections (a) and (c) of this section of any revision made in the determination as contained in the original notice given to such employer or claimant.(e) Unless the claimant or last employer or base-year employer of the claimant files an appeal with the board, from the determination contained in any notice required to be furnished by the department under section five hundred and one (a), (c) and (d), within fifteen calendar days after such notice was delivered to him personally, or was mailed to his last known post office address, and applies for a hearing, such determination of the department, with respect to the particular facts set forth in such notice, shall be final and compensation shall be paid or denied in accordance therewith.1936, Second Ex.Sess., Dec. 5, P.L. (1937) 2897, art. V, § 501. Amended 1942, Ex.Sess., April 23, P.L. 60, § 5; 1945, May 29, P.L. 1145, No. 408, § 11; 1949, May 23, P.L. 1738, No. 530, § 13; 1949, May 26, P.L. 1854, No. 551, § 7; 1964, Special Sess., June 22, P.L. 112, No. 7, § 18; 1971, Sept. 27, P.L. 460, No. 108, § 19.1; 1975, June 6, P.L. 5, No. 3, imd. effective; 1976, April 14, P.L. 113, No. 50, § 1, imd. effective; 1980, July 10, P.L. 521, No. 108, § 19, imd. effective.